Explain why Newton's 1st Law is easily visualized in space.

Answers

Answer 1

Answer:

Answer: Because it at rest indefinitely without any external force acting upon it. Newton's first law also applies when the rocket is gliding through space with no external forces on it, it will travel in a straight line at a constant speed forever

Explanation:


Related Questions

If a lever has a mechanical advantage of 5 and 50 N of force is used to lift a rock, what is the weight of the rock?

Answers

Green green tea hot green tea green orange

Jack jumped off a diving board and hit the water at 15.68 m/s downward. How long was he falling for before he hit the water?

Answers

Answer:

1.6 s

Explanation:

From the question given above, the following data were:

Velocity (v) = 15.68 m/s

Acceleration due to gravity (g) = 9.8 m/s²

Time (t) =?

Thus, we can calculate the time taken for Jack to hit the water by using the following formula:

v = gt

15.68 = 9.8 × t

Divide both side by 9.8

t = 15.68 / 9.8

t = 1.6 s

Therefore, it took Jack 1.6 s to hit the water.

All of these are likely to speed up the rate of a reaction except decreasing the surface area. increasing the temperature. increasing the pressure. adding a catalyst.

Answers

Answer:

decreasing the surface area.

Explanation:

The rate of reaction or the reaction rate may be defined as the speed or the rate at which the reaction occurs. It is the speed of formation of the products from the reactants. The following factors increases the rate of reaction :

1. by adding a  catalyst

2. by increasing the temperature

3. by increasing the pressure

4. by increasing the surface area

5. by increasing concentration

Hence, decreasing the surface area of the reaction reduces the rate of reaction.

Los muelles de un remolque están calibrados para soportar su peso, cuando se carga el remolque con 2100 kg, la fuerza ejercida es de 20580 N comprime los muelles de un remolque 5,5 cm a)Longitud que desciende el remolque si se carga con 28000 N b)Si ha descendido 4,2 cm la carga

Answers

Answer:

a) El remolque desciende 7.4 cm

b) La carga debe ser de 15715.6 N ó 1603.6 kg

Explanation:

Para los cálculos que involucren muelles, se aplica la Ley de Hooke, la cual relaciona el efecto de una Fuerza y el cambio de longitud que esta ejerce,  en un resorte de elasticidad dada.

Escrito en fórmula:

[tex]F=-k \cdot \Delta L[/tex]

Donde:

F es la fuerza ejercida

k es la constante elástica del muelle

ΔL es la variación de longitud del muelle

El problema indica que al cargar 2100 kg se ejerce una fuerza de 20580 N

Esto se corrobora con la 2da ley de Newton y asumiendo una aceleración de gravedad de 9.8 [tex]\frac{m}{s^{2} }[/tex]

[tex]F_{1} =m \cdot a\\F_{1}=2100kg \cdot 9.8\frac{m}{s^2}\\F_{1}=20580N[/tex]

Esta fuerza comprime o reduce la longitud del muelle en 5.5 cm. Usando estos datos en la Ley de Hooke, podemos obtener la constante elástica k:

[tex]F=-k \cdot \Delta L\\20580N=-k \cdot (-0.055m)\\\\k=\frac{20580N}{0.055m}\\k= 374181\frac{N}{m}[/tex]

Ahora ya tenemos los datos para resolver las preguntas:

a) Longitud que desciende el remolque si se carga con 28000 N

Aplicando directamente la formula de la Ley de Hooke:

[tex]F=-k \cdot \Delta L\\\Delta L=\frac{F}{-k} \\\Delta L= \frac{28000N}{-374181\frac{N}{m}} \\\Delta L=-0.074 m = -7.4cm[/tex]

b) Si ha descendido 4,2 cm la carga

En este caso debemos calcular la fuerza necesaria que haga descender el remolque 4.2cm. Nuevamente utilizando la Ley de Hooke con estos nuevos datos:

[tex]F=-k \cdot \Delta L\\F=-374181\frac{N}{m} \cdot (-0.042m)\\F=15715.6N[/tex]

Si queremos saber la carga en kilogramos:

[tex]F = m \cdot a\\m = \frac{F}{a} \\m = \frac{15715.6N}{9.8\frac{m}{s^2} }\\m= 1603.6 kg[/tex]

Plzzzz helpppppppo Near the end of the life cycle of a star why does the star lose its size

Answers

Answer:

Because the energy is waning

Explanation: hope this helps

Charles, the 75 kg trampoline artist, lands on a trampoline with a speed of 9.0 m/s.
If the trampoline behaves like a spring with a spring constant of 52,000 N/m, what maximum distance will Charles push down the trampoline before bouncing back up? (Hint: at maximum compression, Charles is not moving.)

Answers

Answer:

The maximum distance Charles will push down the trampoline ≈ 0.342 m

Explanation:

The given parameters are;

The mass of the trampoline artist, m = 75 kg

The speed with which the trampoline artist lands, v = 9.0 m/s

The value of the spring constant of the trampoline, k = 52,000 N/m

Let x represents the maximum distance Charles will push down the trampoline

Therefore, we have;

Kinetic energy = 1/2·m·v²

The kinetic energy with which the trampoline artist lands  = 1/2 × 75 × 9.0² = 3037.5

The kinetic energy with which the trampoline artist lands  =  3037.5 J

The potential energy stored in a spring = 1/2·k·x² = The kinetic energy with which the trampoline artist lands

∴ 1/2 × 52,000 × x² = 3037.5

∴ x = √(3037.5/(1/2 × 52,000)) ≈ 0.342

The maximum distance Charles will push down the trampoline = x ≈ 0.342 m

If a student was spinning a key on a string around her head, the key would fly off in a straight line in one direction if she released the
string. What Law does this is example demonstrate?
A Newton's fourth law of motion
B. Newton's first law of motion
C. Newton's third law of motion
D. Newton's second law of motion

Answers

Answer:

B

Explanation:

the external force was applied

A substance will take on the shape of an open container if it is a

liquid.
plasma.
gas.
solid.

Answers

The answer would be liquid if it is just requiring one answer

Answer:

liquid

Explanation:

Which of these is an example of electrical energy being converted to mechanical energy?
Sunlight used by plants in photosynthesis
Ceiling fan
Lightning striking the ground
Flashlight

Answers

Answer:

Ceiling fan

Explanation:

Ceiling fan is a perfect and typical example of electrical energy being converted to mechanical energy.

In most systems, energy is usually transformed from one form to another. Energy is not created neither is it destroyed. We know this by virtue of law of conservation of energy.

The ceiling fan is powered by electrical energy from an outlet.The energy from the outlet is used to drive the blades of the fan and set them into motion. This is mechanical energy.

Help me in this please help me!

Answers

Answer:

1. A

2. C

3. A

4. B

Explanation:

A conductor allows electric current to pass through it. Hence, when conductors are connected in a closed circuit, current flows.

All the resistors in Q2 are connected in series. In a series connection, the current across all the resistors is the same.

In a battery, chemical energy is converted to electrical energy by chemical reactions.

When a new resistor is connected in parallel to a circuit the current increases accordingly.

A 1.0 kg ball has a potential energy of 10 J and falls to the ground. What is the velocity right before it hits the ground?

a)20 m/s
b)10 m/s
c)4.5 m/s
d)15 m/s

Answers

Answer:

10m/s

Explanation:

A red 120 kg bumper car moving at 4 m/s collides with a green 100 kg bumper car moving at 3 m/s. The red bumper car bounces off at 2 m/s. What is the green car's final velocity?​

Answers

we can utilize the equation pi=pf (p=momentum). because p=mv, we can sub in the initial masses and velocities as well as the finals in order to form an equation. this results in 120(4)+100(3)=120(2)+100x. this can be simplified to 540=100x, or x=5.4 m/s.

A rock is at the top of a 30 meter tall hill. The rock has a mass of 15kg. How much potential energy does it have?

Answers

The potential energy of the rock at the top of a 30 meter tall hill is 4414.5 J.

How to calculate potential energy?

Potential energy is the energy possessed by an object because of its position (in a gravitational or electric field), or its condition (as a stretched or compressed spring, as a chemical reactant, or by having rest mass).

The formula for potential energy depends on the force acting on the two objects. For the gravitational force, the formula is:

P.E = m × g × h

Where;

m = mass (kg)g = acceleration due to gravityh = height

According to this question, a rock is at the top of a 30 meter tall hill. If the rock has a mass of 15kg, the potential energy can be calculated thus;

P.E = 15kg × 9.81m/s² × 30m

P.E = 4,414.5J

Therefore, 4,414.5Joules is the potential energy of the rock.

Learn more about potential energy at: https://brainly.com/question/24284560

#SPJ1

Margie used arrows to represent the gases that enter and leave a plant during the process of photosynthesis, as shown below. PLEASE HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPpppppp

Answers

Answer:

D. Arrow 1 is carbon dioxide and arrow 2 is oxygen.

Explanation:

Which statement is true about compounds?

A: They do not form living things.
B: They do not form non-living things.
C: They are when electrons of different atoms combine.
D: They are when atoms of different elements combine.

Answers

I believe the answer is D? I could be wrong

Answer:

Its D

Merry Christmas!!!!

Explanation:

Also I got this question right I had it for an assignment


A 90 kg body is taken to a planet where the acceleration due to
gravity is 2.5 times that of the earth. What is the weight of this body
on the surface of this planet? Take g = 10 m/s?.

Answers

Answer:

2250N

Explanation:

W= mg,

where W= weight

m= mass

g= acceleration due to gravity

Given that the body is 90kg, m= 90kg.

Acceleration due to gravity of planet

= 2.5(10)

= 25 m/s²

Weight of body on planet

= 90(25)

= 2250N

*Mass is the amount of matter an object has and is constant (same on earth and the planet).

Answer:

Here

mass=90kg

time=2.5second

acceleration due to gravity=10m/s

now,,,

Force=???

Force=mass*acceleration

Force=90*10

Force=900N

HELP PLZ !!!

This graph relationship shows the dependent variable increasing at a greater rate than the independent variable.
A. Quadratic
B.Inverse
C. Linear/direct
D. No Relationship

Answers

Answer is C I believe I may be wrong but.

Answer:

probly c or b

Explanation: experinse


A beaver runs at a speed of 2.0m/s with 45 J of kinetic energy.

What is the beaver's mass?
Round answer to two significant digits.

Answers

Answer:

22.5 kg

Explanation:

solve for mass in the kinetic energy equation then round to a whole number

A beaver runs at a speed of 2.0 m/s with 45 J of kinetic energy.

What is the beaver’s mass?

Answer: 22.5 kg

How does a salt differ from an acid or base?

Answers

Answer:

An acid is defined as a substance whose water solution tastes sour, turns blue litmus red and neutralizes bases. A substance is called base if its aqueous solution tastes bitter, turns red litmus blue or neutralizes acids. Salt is a neutral substance whose aqueous solution does not affect litmus

HIII DROPPING COINS YALL

Answers

Answer:

tysm

Explanation:

Answer:

OMG THANK U SO MUCH I NEEDED THEMMMMM

Brad is riding his bicycle on a straight stretch of road. When he passes a
traffic light, he begins timing himself. In 29.9 seconds, he cycles 220 meters.
His rate of acceleration during this stretch was 0.14 m/s2. Given this
information, what was Brad's initial velocity when he started timing himself?
Assume all motion is in the positive direction.

A) 2.9 m/s

B) 5.3 m/s

C) 0 m/s

D) 7.8 m/s

Answers

Answer:

d

Explanation:

Answer:

5.3 m/s

Explanation:

When a tuning fork with a frequency of 440.0 Hz is used with a resonator, the loudest sound produced occurs when the length of the closed-pipe tube is 10.50 cm long. What is the speed of sound in this case?

Answers

Answer:

4620

Explanation:

440.0+10.50

=4620

How do invasive species impact long term biodiversity in an economy?

Answers

Answer:

Invasive species alter and degrade the environment, and have a negative effect on both native species and the people who live and work there. The impacts of invasive species include: Reduced biodiversity. Decreased availability and quality of key natural resources.

Explanation:

Hope this helps!

How do we increase power? Do we increase or decrease current (amperage)? Do we increase or decrease voltage

Answers

Answer:

Increase the power of a hypothesis test

Use a larger sample. ...

Improve your process. ...

Use a higher significance level (also called alpha or α). ...

Choose a larger value for Differences. ...

Use a directional hypothesis (also called the one-tailed hypothesis).

The two main ways of increasing the current in an electrical circuit are by increasing the voltage or by decreasing the resistance.

What is the mass of a rock that is accelerated to 1.4m/s^2 with a force of 350 N

Answers

F=m*a

350N=m*1.4m/s^2

m=350N/1.4m/s^2=250kg

What connects the colon to the anus?AColon B Anus C Rectum D Biceps​

Answers

The answer is C. Rectum.

Answer:

You have a severe case.

Explanation:

My anus smells foul, like poop or diarrhea. Why? Like your anus might be tired of making the same old sensational brown. No fear needed! Anus Maker is here! With this app, you can post poop photos for help if you need! No more foul sensational browns! Start your free Anus Maker trial today!

Nore ordered an ice cream cone.

Answers

Answer:

okay

Explanation:

okay

Answer:

Cool

Explanation:

- Two rocks with a mass of 5 kilograms and 10 kilograms, respectively, fall freely from rest near
the Earth's surface. After 3 seconds of free-fall, compared to the 5-kg rock, the 10-kg rock has
greater...
a. acceleration
b. momentum
C. height
d. velocity
e displacement

Answers

C because it’s c........

Which of these is an appropriate treatment for a deep, bleeding wound?
A. Walk the person around.
B. Remove any embedded object.
C. Elevate the wound.
D. Apply a tourniquet.

Answers

Answer:

Elevate the wound.

Hope this helped!

If a car is accelerating downhill under a net force 3674 N , what additional force would cause the car to have a constant velocity

Answers

Answer:

For the car to move with constant velocity the additional force required is  [tex]F__{dg} }= -3674 \ N[/tex]

Explanation:

From the question we are told that

  The net force of the car is  [tex]F_{net} = 3674 \ N[/tex]

Generally the total  force acting on the  car is the net force plus the force due to gravity acting in direction of the car (Let denote it as [tex]F__{dg}[/tex])

So the total force acting on the car is mathematically represented as

        [tex]F_{net} + F__{dg}} = F[/tex]

Here this F representing the total force can be mathematically represented as

      [tex]F = ma[/tex]

Now for constant velocity to be attained, the acceleration of the car will be zero  

So  at constant velocity

       [tex]F = m * 0[/tex]

=>    [tex]F = 0 \ N[/tex]

So  

     [tex]F_{net} + F__{dg}} = 0[/tex]

=>   [tex]F__{dg} }= -F_{net}[/tex]

=>   [tex]F__{dg} }= -3674 \ N[/tex]

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