1. What is the atomic mass of the new atom?
2. What is the atomic number of the new atom?
3. What is the symbol of the new atom?
4. What type of decay is demonstrated here?

Answer: Pressure exerted by the boy is 4×[tex]10^{5}[/tex] pa.

Explanation:

Given: Mass (m) = 50 kg

Gravitational force (g) = 10 [tex]m/s^{2}[/tex]

Width of a blade = 0.5 cm

Length of a blade = 25 cm

To find: P = ?

As we know that,

Pressure [tex]P = \frac{F}{A} ...(1)[/tex]

Where, F is force and A is Area

Force is given by,

[tex]F = mg[/tex]

[tex]F = (50)(10)[/tex]

[tex]F = 500 N[/tex]

Area is given by,

Area = length × Width

         [tex]= (0.5)(25)\\= 12.5 cm^{2} \\[/tex]

Convert the area into [tex]m^{2}[/tex].

⇒ Area = [tex]= 0.00125m^{2}[/tex]

Put the value of F in equation (1)

[tex]P = \frac{500}{0.00125}[/tex]

[tex]P = 400,000 pa[/tex]

P = 4×[tex]10^{5}[/tex] pa

Hence, Pressure exerted by the boy is 4×[tex]10^{5}[/tex] pa

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Answer:

The higher the concentration, the denser the liquid.

Explanation:

Changing concentration of a solution changes the density of the solution . Density is the ratio of mass and volume whereas concentration is the ratio of minor part that is, it is solute to the major part i.e. solvent.

If the amount of matter is increased without changing the volume, then the density increases

i hope this helped

a) The speed in meters per second is 10996.2  meters per second.

b) The Time taken is 10.97 hours.

We must be able to remind ourselves that speed is the ratio of the distance that is covered to the time that is taken to orbit the earth. If we have this definition at the back of our minds, we can now see that it would be easy for us to be able to obtain the speed if we do have the distance and the time or make the necessary manipulations so as to be able to obtain any of the parameters that have been required in the speed formula as described above.

We know that;

1 mile per hour = 0.447 meters per second

24,600 mile per hour =  24,600 mile per hour * 0.447 meters per second/ 1 mile per hour

= 10996.2  meters per second

Given that;

Distance = 270,000 miles - 150 miles = 269850 miles

Time = ?

Speed = 24,600 mph

Time = Distance/ speed

=  269850 miles/ 24,600 mph

= 10.97 hours

The speed of the Orion Space Capsule is  24,600 mph.

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Orange, Blue, and Red are the three filters. They are easy to attach and cover the lens and flash on the front of the Polaroid Go camera.

The primary benefit of Polaroid photography is the immediate visual feedback. Sharing Polaroid photos is one of the simplest things you can do with them.

An image of a friend is taken and given to the friend. Being one-to-one rather than one-to-the-world makes it a little different from other forms of sharing. Polaroid started to lose some of its major clients in the real estate, insurance, and photo identi-fication industries as digital cameras proliferated on the market.

As film sales collapsed, Polaroid declared bankruptcy in October 2001. A series of chemicals and dyes are sandwiched between layers to make up a Polaroid;

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A 500. Kg car is driving with a speed of 4.00 m/s, the momentum of car is 2000 kg.m/sec

Momentum is characterized as the intensity of a body's motion. As momentum relies on both velocity and the direction of the body's motion, it is quantified by "mass velocity". Because velocity is a vector, momentum is a also a vector quantity, whereas mass is a scalar number.

Given that,

mass of car (m) = 500 kg

velocity of car (v) = 4.00 m/sec

Thus, momentum (p) = m × v

p = 500 kg × 4.00 m/sec

p = 2000 kg.m/sec

Thus, momentum of car is 2000 kg.m/sec

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It is desired to project the image of an object four times its actual size using a lens of focal length 20 cm, then the object should  be placed 25cm away from the lens.

Lens is a transmissive optical device which focuses or disperses light beam by means of refraction.

Given focal length, f= 20 cm

and h1= 4h0

So, h1/h0= m = 4

Hence, v/u = 4

and v= 4u

As, 1/v - 1/u = 1/f

Now, 1/4u-(1/-u)= 1/20

5/4u= 1/20

So, u = 25 cm

The object should  be placed 25cm away from the lens.

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2Na (s)+Cl₂ (g) → 2NaCl(s) the equation represents a chemical change because it is a synthesis reaction.

When two or more substances (elements or compounds) react to generate a new product, which is a compound with new qualities. They synthesis to create a new material, therefore the name "synthesis reaction."

Synthesis reactions occur when two separate atoms or molecules interact to generate a new molecule or substance. When a synthesis reaction happens, most of the time energy is released and the process is exothermic.

The typical equation for this sort of reaction is A + B → AB. The reaction of sodium (Na) with chlorine (Cl) to form sodium chloride is an example of a synthesis reaction (NaCl).

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One advantage of using a solid-state detector is that it converts part of the particles energy directly into electric current.

Solid-state devices are sensitive to charged particles and are essentially transparent to gamma rays. Compared to conventional detectors, they are physical of remarkably small size.

Solid-state detectors provide a signal by collecting the charge liberated in the passage of the particle through a semiconductor.

Solid-state detectors are also called Semiconductor Radiation detectors. In these detectors, a semiconductor material like a silicon or germanium crystal constitutes the detecting medium.

An extremely pure solid-state detector is called an intrinsic semiconductor. An example of intrinsic semiconductors is silicon and germanium.

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The distance between fringes for 694nm is 3.267 cm and for apparatus submersed in water with index of refraction of 1.333 is 2.45cm.

In the Young’s Double Slit Experiment, the distance between adjacent fringes is Δy = xλ/d, assuming the slit separation d is large compared with λ.

The equation for the distance between fringes is given by:

Δy = xλ/d  where x is the location of screen and d is slit separation. λ is the wavelength.

According to the given information,

x = 4m

d = 0.0850mm or 0.085 x 10^-3m

λ = 694 nm or 694 x 10^-9 m

Hence, using the equation, the distance between fringes is:

Δy = 4 * 694 x 10^-9 /0.085 x 10^-3 = 0.032658 m = 32.66mm = 3.267 cm

When submerged in water, wavelength in water is given by:

wavelength in water = wave length / refractive index

The refractive index of an optical medium is a dimensionless number that gives the indication of the light bending ability of that medium. The refractive index of water is 1.333.

wavelength in water = 694/1.333 = 520.63 nm

Hence, the new distance between fringes is

Δy = 4 * 520.63 x 10^-9 /0.085 x 10^-3 = 0.0245 m = 24.5mm = 2.45 cm

Note: The question is incomplete. The complete question probably is: Using the equation for the distance between fringes, Δy = xλ/d , complete the following. (a) Calculate the distance (in cm) between fringes for 694 nm light falling on double slits separated by 0.0850 mm, located 4.00 m from a screen. cm (b) What would be the distance between fringes (in cm) if the entire apparatus were submerged in water, whose index of refraction is 1.333? cm

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The kind of star that belongs to the main sequence is the sun, according to the Hertzsprung-Russell diagram.

In Pac-Man World 3, opponents are called Spectral Monsters. They are fiery Spectral Realm beings who are enraged by Erwin's interference with their world. They appear to be much less intellectual than ghosts, yet because of their special skills, they are more dangerous. Pac-Man can consume Spectral creatures in the same manner as ghosts.

When Clyne turns off the device, the human parts of these apparitions are promptly killed along with their spirit counterparts. The final rebels in the town are swept up by American and Moldovan forces as the fight comes to an end.

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Static and secured in a tripod best describes the camera motion in the scenes directly prior to the old man's defiant hand gesture.

One of the hardest things for a photographer to do is to take steady, sharp pictures. Even if we like the spontaneity of point-and-shoot photography, shaky hands can reduce the overall caliber of your pictures.

A beautiful shot is made up of many crucial elements. The ability to capture the ideal lighting, composition, and moment—the three components of a great image—is among the most crucial.

You may capture the ideal sunrise or sunset with the use of a tripod, which lowers camera movement and enhances image quality.

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If the mass of one object is doubled and the mass of the other object is tripled and the separation distance between the objects' centers is doubled, then the new force of gravitational attraction would be 210 units.

What is the gravitational force between two objects?

The gravitational force of attraction between two objects in the universe is directly proportional to the product of masses of the object and inversely proportional to the square of the distance between the objects.

F = Gm₁m₂/r²

where;

when mass of one object is doubled and the mass of the other object is tripled, we will have;

F' = G(2m₁ x 3m₂)/r²

Also when separation distance between the objects' centers is doubled,  the new force of gravitational attraction becomes;

F' = G(2m₁ x 3m₂)/(2r)²

F' = G(2m₁ x 3m₂)/(4r²)

F' = 6/4 (Gm₁m₂/r²)

F' = 6/4 (F)

F' = 6/4 (140 units)

F' = 210 units

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The distance that a point on the edge of the wheel would have traveled in 6.8 seconds of time is 19.85 meters.

The rate by which the body changes its angle with respect to the time is called the angular velocity of a body.

Given, wheel 31 cm in diameter accelerates uniformly from 240 rpm to 360 rpm in 6.8 s.

Given ω0 = 240,

ω0 = 240 (0.1047)

= 25.1 rad/s

α2 = 360 (0.1047)

= 37.7 rad/s

The angular acceleration is given as,

a = Δω/t

= ω - ω0/t

= 37.7 - 25.1/6.8

So, a = 1.85 rad/s²

AS we know, Ф= ω0t + 1/2 a t²

= 25.1 * (6.8) + 0.5 * (1.85) * 6.8²

= 85.34 + 42.77

Ф = 128.11 rad

length of travel, l = Ф *d/2

=  128.11  * 0.31/2

l = 19.85 m

Thus, distance that a point on the edge of the wheel would have traveled  is 19.85 meters.

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Answer: because not all asteroids hit them

Explanation:

there isn’t much wind in space to direct the asteroid

These are the physical quantities.

a physical quantity is any of the physical property of to a  material or system that can be quantified, that is, can be a  measured using numbers. A physical quantity can be the  expressed as a value of the  which is the algebraic of the multiplication of a numerical value and a unit.

We have to talk about the correlations between the quantities. There's an additional term called acceleration. Talk about how fast you can get. The largest charities are referred to as the term and largest charities are referred to as the term  and largest charities are No for food and physical quantities. We have something for rotation. There is a physical quantity. We have physical quantity now. We have a moment of inertia that can be used to work for work or work as well. I will call you either by talk or rotation. We have a kind of technology that rotates for linear momentum and P. This is a moment for impulse. We have an impulse if it's for something.

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The gravitational potential energy of a 59 kg pole vaulter changes by 2360 J if center of mass rises by 4.0 m during the jump.

The gravitational potential energy is the energy in an object due to change in its position. To say in simple terms, this energy is related to gravitation force. This energy does not depend on the path, but depends on the height to which an object is raised.

The formula for finding gravitational potential energy acquired by an object that is raised to a height "h" is

E=mgh

So, we have,

E= 59×10×4

= 2360 J

The potential energy gained by the pole vaulter is 2360 J.

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It fall during the next second of time is 3hrs.

Gravitational potential energy is transformed into kinetic energy as the object is propelled out of rest and falls to Earth. Since the object is released closer to the Earth's surface, the force of gravity's acceleration is constant.

Knowing this

u = 0 m/s.

velocity after t = 1s

v = u+gt

v = 0 + 9.81 x 1s

v = 9.81 m/s

area covered in the first second

area covered in the first second = ut + 0.5 x g x t²

area covered in the first second =0 + 0.5x 9.81 x 1 = 4.90m

Let 4.90 be h

We will now use the distance traveled in the second second.

so that velocity after t = 1s

velocity after t is 1s = 1 x t+ 0.5 x g x t²

velocity after t is 1s = 9.81 x 1 + 0.5 x 9.81 x 1 = 3 x 4.90

So since h= 4.90

Then the answer is 3 x h = 3h.

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It is possible to think about angular frequency (ω) as a way to measure angular displacement with respect to time. The equation is (K= ω/m)

ω=km

We are aware that k is unchanging.

Then, we can change the formula's k subject to (K= ω/m).

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Answer:

A baseball’s resultant velocity is 17.23 m/s, at 26.02° from the level ground then the  horizontal component of the baseball’s velocity is 15.4835m/s

Velocity means the direction of the movement of the body or the object here given data is velocity =17.23 m/s, at angle= 26.02° and we have to find  horizontal component of the baseball’s velocity=?

So, Horizontal distance can be expressed as x=V × t

Cos26.02°=x/17.23 for vector component, this means that the

17.23cos26.02°= x horizontal component is the hypotenuse length

x=15.4835m/s is the horizontal component of the baseball’s velocity

Know more about horizontal component

Explanation:

As per as calculations

Answer:

because of the softness

Explanation:

the bounency of the floor makes it to where it bounces instead of breaking

solve today's free puzzle, you will need your Morse Code Decoder Ring from last week. This puzzle is a list of words that are related in some way. Can you decode them all and figure out their relationship?

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The velocity of a vehicle is typically expressed relative to ground.

Velocity is the speed of something that is given direction.

velocity is the measurement  to a  body's "pace of change of  the displacement in relation to time" whenever the main  body is traveling through along a straight route.

It is common knowledge of  that the word "linear" refers to be something that is totally straight; therefore,  when the body moves in a straight path, it is said to be linear velocity .

Alternatively, velocity is the  distance traveled by a body traveling in a specified to the direction during of a predetermined period of time. Thus, the fundamental idea of linear velocity is the  provided by the union of these two quantities.

Because it always has the direction of velocity is a vector.

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The coefficient of friction between two surfaces will not be same as it always depends on the nature of both surfaces.

It is not necessary that coefficient of friction between two surfaces will be same. The coefficient of friction will depend on the objects that are causing friction and the value is usually between 0 and 1 but sometimes, it can be greater than 1. A value of 0 implies that there is no friction at all between the objects (in case of superfluidity).

The coefficient of friction for an ice block placed on a copper surface will be different than the coefficient of friction for a wooden block placed on the same surface.

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3.24 m/s² is the box's horizontal acceleration in accordance with the query.

The word "force" has a specific meaning in science. At this level, calling a force a pushed or a pull is entirely appropriate. A strength isn't something an object "has in it" or that it "contains." One thing experiences a force from another. Here are both living things and non-living objects in the concept of an energy. kicking a ball, pushing and pulling on the door, or kneading dough are a few examples.

Horizontal component is 200cos(36°) = 80.9 N

Then,

F=ma

100 = 25a

a = 3.24 m/sec²

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a) The energy of a photon with a wavelength of 550 nm is 3.58 10⁻¹⁹J. The equivalent energy in J is 2.40* 10⁻¹⁸ eV. a photon of 10 nm.

b) Its wavelength of an x-ray photon is 0.165 nm.

The wavelengths of a wave is the distance in between adjacent subsequent crests. It is evaluated in the direction of the wave. A wave's length is commonly denoted by the Greek letter lambda (). The ratio of a light train's frequencies (f) and velocity (v) in a medium is its dimension.

By comparing the distance between the two identical locations on adjacent waves, the wavelengths can always be found. When determining the duration of a longitudinal wave, the distance from one compression to the next or from one seismic waves to the next is measured.

Briefing:

E=hcλ

E=(4.136×10−15 eV s)(3.0×108 m/s)550×10−9 m

E=2.40 * 10⁻¹⁸eV.

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Answer:

The elongation of the wire is approximately 4.81 x 10-³ m.

Explanation:

To find the elongation of the wire, we can use the formula:

Elongation = (Force * Length) / (Young Modulus * Cross Sectional Area)

Plugging in the given values, we have:

Elongation = (10³ N * 2.5 m) / (2.0 x 10-¹¹ N/m² * 6.5 x 10-⁷ m²)

We can simplify this to:

Elongation = (2500 N * 2.5 m) / (2.0 x 10-¹¹ N/m² * 6.5 x 10-⁷ m²)

Which simplifies to:

Elongation = (625 x 10-⁸ m³) / (1.3 x 10-¹¹ m³)

Simplifying further, we have:

Elongation = 4.81 x 10-³ m

Therefore, the elongation of the wire is approximately 4.81 x 10-³ m.

It's important to note that this is an approximate value, as the actual elongation may depend on various factors such as the temperature and the specific properties of the wire.

The speed of sound in air at the temperature of 136°F (331 K) = 365.71 m/s

The speed of sound in air depends on temperature, so the higher the temperature, the greater the value of the speed of sound.

The equation for determining the speed of sound with a change in temperature is:

v = v₀ + 0.6(∆T)

where:

v = the final sound velocity (m/s)

v₀ = the initial sound velocity (m/s)

∆T = temperature change (°C)

Note: The speed of sound in air at 0°C is 331 m/s.

We have ∆T = 136°F ⇒ 57.85°C

So,

v = 331 + 0.6 (57.85)

= 365.71 m/s

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Hot a most massive planet, Jupiter uses the same mass star for all schematics.

Some examples of the power of gravity are as follows: the force that holds the gases in the sun. the force used to propel a ball downward after it has been hurled into the air. the mechanism that causes a car to drift downhill even when the gas pedal is not depressed. a glass you dropped hitting the ground with power.

Because it consistently attempts to pull masses together rather than pushing things apart, the gravitational force is known as attractive. It is obvious that the gravitational force is inversely correlated with the masses of the two interacting objects.

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Answer: 3 kg

Explanation:

The formula for potential energy is Ug=mgh where Ug is potiental energy, m is mass, g is the acceleration caused by gravity which is either 9.8 m/s^2 or 10m/s^2 depending on your textbook and h is the height and or displacement. So…

120 = m(10)(4)

120=40m

m= 3 kg

Answer:

Explanation:

Given:

h = 4 m

W = 120 J

g = 10m/s²

_________

m - ?

W = m*g*h

m = W / (g*h) = 120 / (10*4) = 3 kg