An amusement park ride goes a circle at 10m/s. If its centripetal acceleration is 5m/s^2, then how big is the radius of the circle?

Free fall acceleration 9.8 m/s² means that when an object falls down due to gravity, its velocity increases by 9.8 m/s every second.

Free fall refers to the motion of an object due to the attractive force of the earth known as gravity only acting on the object.

When an object is experiencing free fall, the object experiences acceleration due to gravity which has a constant value of 9.8 m/s².

This constant varies at several points on the earth's surface. The farther away an object is from the earth's surface, the lower the value of the free fall acceleration or acceleration due to gravity will be.

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Answer:

Explanation:

Given:

D = 240 m

V = 1.2 m/s

___________

t - ?

t = D / V

t = 240 / 1.2 =  200 c     or  t = 200 / 60 ≈ 3,33 min

Electromagnetic radiation that possesses ionizing properties apart from UV radiation is x- rays and gamma rays.

In comparison to shorter wavelengths, higher frequency waves like X and gamma rays, longer wavelengths, lower frequency waves like heat and radio have less energy.

Electromagnetic (EM) radiation is not always ionizing. Ionization only occurs in the high-frequency region of the electromagnetic spectrum, which includes X and gamma rays.

When we refer to x-rays as "ionizing," we mean that they have the special ability to strip electrons from the atoms and molecules in the material they pass through. Our body's cells' molecules can change due to ionizing activity. That action might ultimately be harmful and can lead to cancer.

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If an object is moving in such a way that the force of gravity is increasing its kinetic energy, you can conclude that the object is accelerating.

Fg = m g

KE = 1 / 2 m v²

Fg = Force of gravity

m = Mass

g = Acceleration due to gravity

KE = Kinetic energy

v = Velocity

Since mass cannot change and will remain constant,

KE ∝ v

As KE increases v increases meaning that there is change in velocity with respect to time.

a = dv / dt

a = Acceleration

dv = Change in velocity

dt = Change in time

Acceleration is the rate of change of velocity with respect to time. If velocity change there will be either acceleration or deceleration based of how the velocity changes.

Therefore, if an object is moving in such a way that the force of gravity is increasing its kinetic energy, you can conclude that the object is accelerating.

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Given,

Capacitance of capacitor = 15.0 mf

Voltage = 150.0-V

Inductance = 0.280 m H

What is oscillation?

The act of any variable or measure fluctuating repeatedly about its equilibrium position in time is known as oscillation. A periodic change in a substance's value between two values or around its central value is another way to define oscillation.

(a) In the circuit, the oscillation of frequency is,

f = 1/2[tex]\pi[/tex] sqrt 1/ 0.280×10⁻3×20×10⁻6

f = 2126.9 Hz

(b) U = 1/2 CV²

    U = 1/2(20×10⁻6)(150)²

    U = 0.225J

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a) The oscillation frequency of the circuit is 2126.9 Hz.

b)The energy stored in the capacitor at time t is 0.225J.

What is oscillation?

The act of any variable or measure fluctuating repeatedly about its equilibrium position in time is known as oscillation. A periodic change in a substance's value between two values or around its central value is another way to define oscillation.

Given,

Capacitance of capacitor = 15.0 mf

Voltage = 150.0-V

Inductance = 0.280 m H

(a) In the circuit, the oscillation of frequency is,

f = 1/2 sqrt 1/ 0.280×10⁻3×20×10⁻6

f = 2126.9 Hz

(b) U = 1/2 CV²

   U = 1/2(20×10⁻6)(150)²

   U = 0.225J

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Answer:

its just 30/23 or 30 over 23

Explanation:

30

23

Pluto differs significantly from the eight solar system planets in that it has not cleared its orbit.

The solar system is the gravitationally sure system of the solar and the items that orbit it. It is shaped four.6 billion years in the past from the gravitational crumble of a large interstellar molecular cloud. The extensive majority (99.86%) of the gadget's mass is within the solar, with the maximum of the final mass contained inside the planet Jupiter. The four inner machine planets—Mercury, Venus, Earth, and Mars—are terrestrial planets, being composed generally of rock and metal. The four large planets of the outer machine are significantly large and greater big than the terrestrials. the two biggest, Jupiter and Saturn, are gasoline giants, being composed mainly of hydrogen and helium; the next, Uranus and Neptune, are ice giants, being composed mostly of volatile substances with quite excessive melting points in comparison with hydrogen and helium, together with water, ammonia, and methane. All 8 planets have almost circular orbits that lie near the aircraft of Earth's orbit, referred to as the ecliptic.  

There are an unknown wide variety of smaller dwarf planets and innumerable small sun system our bodies orbiting the solar. Six of the predominant planets, the six biggest possible dwarf planets, and a few of the smaller bodies are orbited via natural satellites, generally known as "moons" after Earth's Moon. herbal satellites, Jupiter's moon Ganymede and Saturn's moon Titan, are large but no longer more massive than Mercury, the smallest terrestrial planet, and Jupiter's moon Callisto is sort of as massive.  

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As we see the far people receive the news before the people across the news-station room because the electromagnetic wave is much greater than sound wave.

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The linear velocity with which the wheel must rotate is 7.48 m/s.

The wheel of a car needs to generate a total kinetic energy of 401.0 n to keep the car moving.

If the wheel weighs 6700 g, find the linear velocity with which it must rotate.

Consider the wheel to be a flat cylinder.

Assuming you want the final answer in terms of velocity, we can use the equation:

KE = 1/2×mv²

where KE is the kinetic energy, m is the mass, and v is the velocity.

We can rearrange this equation to solve for velocity ,

v = sqrt(2×KE/m)

Now we just plug in the known values and solve:

v = sqrt(2×401.0 n/6700 g)

v = 7.48 m/s

Hence , the linear velocity with which the wheel must rotate is 7.48 m/s.

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The separation on the screen between the two wavelengths' first-order bright fringes is 0.0031m, or 3.10 mm.

mathematical illustration When describing travelling sinusoidal waves mathematically, their velocity (in the x direction), frequency, and wavelength are typically written as follows: where y is the value of the wave at any position x and time t, and A is the wave's amplitude.

y = Fringe distance

d= Distance between slits = 0.257mm

L = Screen distance = 3m

λ = Wavelength

When constructive interference occurs

y/L = mλ/d

In terms of first order wavelength

y₁/4 = 1×400×10⁻⁹/0.257×10⁻³

y₁ = 4 × 1×400×10⁻⁹/0.257×10⁻³

y₁ = 0.0062m

y₂/4 = 1×700×10⁻⁹/0.257×10⁻³

y₂ = 0.0093m

The fringe separation is determined by

y₁ - y₂ =  0.0062 - 0.0093

y₁ - y₂ = 0.0031.

The separation on the screen between the two wavelengths' first-order bright fringes is 0.0031m, or 3.10 mm.

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The speed of the center of mass of the truck-car system as the truck and car move off together is 4/5v.

State the principle of conservation of momentum

An explanation of the law of conservation of momentum is provided below.

For an isolated system, the total momentum of the two objects prior to their collision and their total momentum following it are identical.

The aforementioned statement asserts that a system of objects has a constant or stable total momentum. Momentum conservation refers to this.

The following informations are given in the question,

The mass of the large truck = 4m

The velocity of the large truck = v

The mass of the small car = m

According to the conservation of momentum,

m1vi1 +m2vi2 = m1vf1 + m2vf2

where,

m1 = mass of the truck

m2 = mass of car

vi1 = initial velocity of truck

vf1 = final velocity of truck

vi2 = initial velocity of car

vf2 = final velocity of car

After the collision the car and the truck move together with the same velocity say v.

After the collision the conserving momentum will be:

m1v + m2x0 = (m1 + m2)V

4mv + 0 = 5mV

4mv = 5mV

V = 4/5

As the momentum of the system is conserved as such there is no acceleration and the center of mass of the car-truck system move with the velocity of 4/5v.

Hence, the answer is 4/5v.

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The acceleration of the crate is 1.83 m/s² and the upward force is 40 N.

We need to know about force to solve this problem. According to second Newton's Law, the force applied to an object will be proportional to mass and acceleration. Hence, it can be written as

F = m . a

where F is force, m is mass and a is acceleration

From the question above, we know that

Fy = 40 N

F = 100 N

m = 50 kg

Find the horizontal force

F² = Fy² + Fx²

100² = 40² + Fx²

Fx² = 100² - 40²

Fx² = 8400

Fx = 91.65 N

Find the acceleration of the crate

Fx = m . a

91.65 = 50 . a

a = 1.83 m/s²

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By increase impulse we can increase in time for the application of a given torque (e.g., 200 nm) affect angular impulse.

A force's magnitude and its line of action's angle of perpendicularity with respect to the axis of rotation are multiplied to form torque. Usually, the lowercase Greek letter tau is used to represent torque. It is typically indicated by the letter M when used as a moment of force. The term "torque" refers to the twisting force that an engine exerts when it works, and it expresses the rotational force. The use of a wrench, turning a doorknob, opening a soda bottle, or peddling a bicycle all involve torque. The equivalent of linear force in rotation is torque. The distance traveled in one unit of time is referred to as speed. Inverse proportionality describes the relationship between speed and torque.

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0.2 is the value of coefficient of friction (k)

F=kN

F=horizontal force

n=Normal Force

k=coefficient of friction

k=F/N

k=200/1000

k=0.2

The ratio of the normal force pushing two surfaces together to the frictional force preventing motion between them is known as the friction coefficient. Usually, the Greek letter mu is used to indicate it .N is the normal force, and F is the frictional force, hence F = N/N.

Due to the fact that both F and N are measured in units of force, the coefficient of friction has no dimensions (such as newtons or pounds). The coefficient of friction can have a variety of values for both static and dynamic friction. Static friction occurs when an object encounters friction that resists any applied force, keeping the object at rest until the static frictional force is released. In kinetic friction, the frictional force resists the motion of the object.

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The principles of angular motion's equations of motion are relevant to this query.  

a) An angular acceleration of "80 rad/s2" will occur.

b) During the procedure, it completes "1.02 revolutions."

Acceleration is the effect of a changing velocity. We refer to an object as speeding angularly if it is spinning and its speed is changing

To determine the angular acceleration, we shall utilize the first equation of motion for angular motion:

where,

= angle-moving speed =?

= 32 rad/s for the final angular speed

= 0 rad/s for the initial angular speed

t = time spent = 0.4 s

Therefore,

b)To determine the number of rotations, we will now utilize the second equation of motion for the angular motion:

where,

Angle displacement equals:?

Therefore,

Following are the numbers for the number of revolutions (N):

1.02 rotations per N

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Units that can be used to describe vector quantities are :

For velocity B.) Miles per hour

For displacement C.) Meters

The physical quantities for which magnitude and direction are defined are known as vector quantities. Some examples are displacement, force, torque, momentum, acceleration and velocity.

Meter is the only basic SI unit that is a vector and others are scalars. Derived quantities can be vector or scalar, but vector quantity must have meters in its definition and unit. Although speed is a scalar quantity but velocity is a vector quantity that specifies both a direction and magnitude.

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Craig is trying to push a heavy crate up a wooden ramp, but the crate won't budge Up the ramp.

Frictional force refers to the pressure generated via two surfaces that touch and slide toward every other. a few factors affect the frictional pressure: those forces are specifically stricken by the surface texture and the amount of pressure impelling them together.

Friction can gradually things down and prevent desk-bound matters from shifting. In a frictionless global, extra gadgets would be sliding about, clothes and footwear might be difficult to keep on and it might be very difficult for human beings or vehicles to get shifting or change direction.

using lubricants such as oil or grease can reduce the friction between the surfaces. by using polishing the floor, sprucing makes the floor easy and friction may be decreased.

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Using Newton's second law we can find that the tension in the spring is

3.8 N.

What is tension?

Tension can be defined as a  force  which acts along the length , a force carried by a flexible medium like rope or cable . It can be defined as an action-reaction pair of forces acting at each end of the said elements.

It can be calculated by the given formula :  T = mg + ma. It can be defined as a pulling force as it exerts a certain amount of pressure in the given area. Tension is a force so it is expressed in Newtons (N).

Newton second law and tension are related in the following way

The wire which is under  tension is proportional to the force of pulling. The final application of Newton’s law deals with the tension.

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To learn about the parallax and solar system.

What is parallax?

An object's apparent displacement or apparent direction difference when viewed from two separate positions that are not in a straight line with the object Specifically: the angle between the directions of two celestial bodies as seen from two locations on the earth's orbit.

What is solar system?

The solar system includes the Sun and all the celestial bodies that revolve around it. The solar system is made up of many different objects, such as planets, comets, asteroids, and meteors.

Distance between the Earth and the Sun. Explanation: The Earth-Sun distance is the baseline measurement that we need to be aware of in order to estimate parallax.

Therefore, the Earth-Sun distance is the baseline measurement that we need to be aware of in order to estimate parallax.

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This can be calculated by using parabolic mirror concept, so the location of the light bulb is (15, 0).

A parabolic mirror is a kind of  dish or a mirror that is said to have a reflective surface which is often used to take in or project any kind of energy e.g., light, sound, etc. A parabolic mirror is also known as  paraboloid or paraboloidal reflector. This parabolic mirror works on a parabolic equations. which are in the form of

y^2 = 2ax

where focus is (a/2, 0)

Considering the equation for parabolic mirror modelling is

y^2 = 20(x – 10)

lets say, x- 10 = u

so, y^2 = 20u

So, the focus for U  =  ( 20/4; 0)

The focus for x =  ( 5+ 10, 0)

= (15, 0)

Therefore, the bulb should be placed at focus and that is (15, 0)

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In order to achieve an output of 126 Volts and a current capacity of at least 250 Ahr, the three sets of 63 lead acid cells that were connected in series should be connected in parallel, which means that a total of 189 solar cells are needed to connect in series and parallel.

An electrical current can be produced by a cell, a unit structure, in addition to a conductor moving through a magnetic field. For instance, a semiconductor junction in a solar cell turns sunlight directly into energy.

As is well known, when cells are connected in series, their voltages are increased while maintaining the same current capacities, and when cells are connected in parallel, their voltages are maintained while increasing the current capacities.

The quantity of lead-acid cells that must be connected in parallel in order to generate 126 Volts is,

126 / 2 = 63

The no of lead acid cells required to connect in parallel to produce 250 Ahrs is,

250 / 100 = 2.5 ≈ 3

Therefore, three sets of 63 lead acid cells that were connected in series should be connected in parallel are required.

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The electric force exerted on one sphere by the other is equal to  9.27  × 10⁻⁷ N.

According to Coulomb’s law, the force of attraction between two charged bodies is the product of their charges and is inversely proportional to the square of the distance by which they are separated. This force acts along the line joining the two-point charges.

The magnitude of the electric force is given by:

[tex]F = k\frac{q_1q_2}{r^2}[/tex]

where k is constant proportionality and has a value of 8.99 × 10⁹ N.m²/C².

Given the charge on one sphere, q₁ = + 6 ×10⁻⁹ C

The charge on the other sphere, q₂ = -11 × 10⁻⁹C

The distance between these two charges, r = 0.80 m

The magnitude of electric force between the spheres will be:

[tex]F = 8.99 \times 10 ^9(\frac{6\times 10^{-9}\times 11\times 10^{-9}}{(0.80)^2} )[/tex]

F = 927.09  × 10⁻⁹ N

F = 9.27  × 10⁻⁷ N

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Answer:

Explanation:

∑ m / 5 = (12.45 + 12.32 + 12.54 + 12.30 + 12.50) / 5 = 12.42

Δm = 12.42 - 12.0 = 0.42

ε·100% = Δm·100% /  m = 0.42·100% / 12  ≈ 3.5 %

Answer:

d) 3.5%

The third one maybe??

If not then my bad

Answer:

The ball's vertical displacement 0.64 m

Explanation:

Given:

V₀ = 46.0 m

D = 16.7 m

g = 9.8 m/s²

____________

ΔH - ?

Time:

t = D / V₀ = 16.7 / 46.0  ≈ 0.36 s

Vertical displacement:

ΔH = g·t² / 2

ΔH = 9.8·0.36² / 2 ≈ 0.64 m  

Answer: The answer is C) Friction and Gravity.

Explanation: Friction acts against an object or slows an object down whereas, gravity pulls an object. In this case, the ball is curving towards the ground because gravity is pulling it and friction is slowing the ball down.

Answer:

C

Explanation:

According to the research, the correct answer is that higher latitudes are conditions that can cause hurricanes to change direction.

It is a meteorological phenomenon that usually originates in the tropical areas of the lower atmosphere, being a wind of extraordinary force that forms a whirlwind.

In this sense, the direction of these winds is influenced by the rotation of the Earth (Coriolis effect) and that as they move a little towards the higher latitudes, the direction winds are reversed and blow from west to east.

Therefore, we can conclude that the condition that affects the direction of hurricanes is when these tropical phenomena reach the highest latitudes.

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Ball B will experience greater buoyant force than ball A

The upward buoyant force that is exerted on a body immersed in a fluid, whether partially or fully submerged, is equal to

According to Archimedes principal , the buoyant force experienced by a body immersed in a fluid will be equal to the weight of the fluid that the body displaces .

The more dense is the body , the more fluid will get displaced .

correct option will be

ball B will experience greater buoyant force

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Answer:

C. 10 m·s⁻¹

Explanation:

The velocity is numerically equal to the area of the figure lying under the acceleration graph

V = 2·1.0 + (1.0 + 3.0)·(6 - 2) / 2 = 2.0 + 4.0·4 / 2 = 10 m·s⁻¹

Its total height is close to 33,500 feet (10,211 meters), which is significantly higher than Mount Everest, which is 29,029 feet (8,848 meters) above sea level and is the tallest mountain on earth (Chomolungma in Tibetan).

The Mahalangur Himal sub-range of the Himalayas is home to Mount Everest, which is the tallest mountain on Earth above sea level. Crossing its top point is the China-Nepal border. The Chinese and Nepali governments most recently established its elevation in 2020, at 8,848.86 m. A mountain summit in the Himalaya mountain range is Mount Everest. Between Nepal and Tibet, a Chinese autonomous region, it is situated. It is regarded as the highest point on Earth because it is 29,032 feet (8,849 meters) tall. George Everest, a former Surveyor General of India, was honoured with the mountain's naming in the nineteenth century. Mount Everest is thought to be between 50 and 60 million years old, according to National Geographic. Regarding the perception of "Mount Everest" in the public mind.

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