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3 years ago

What is the product of an object’s mass and velocity? momentum net force kinetic energy

Physics

1 answer:

kaheart [24]3 years ago

6 0

<u>Answer:</u>

The correct answer option is momentum.

<u>Explanation:</u>

Momentum is the product of an object's mass and velocity.

It is a term which describes the relationship between the mass of an object and the velocity of an object.

Momentum can be represented in the form of an equation as:

P = mv

where P is the momentum,

m is the mass of the object; and v is the velocity of that object.

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Which idea is associated with Copernicus? Select one: a. The orbits of the planets are circles. b. The orbits of the planets are

Schach [20]

Answer:

d. The earth rotates around the sun

Explanation:

Nicolas Copernicus is considered the first person to give the theory of heliocentric, or Sun-centered system of our planetary system.

In the heliocentric system, it is considered that the sun is stationary and the earth revolves around the sun.

He stated that the sun is at the center of the universe and the earth spins on its axis once daily and revolves around the sun in one year.

And today we know it is correct that earth rotates on its own axis and also revolves around the sun.

8 0

3 years ago

A lead ball is dropped into a lake from a diving board 5.0 m above the water. After entering the water, it sinks to the bottom w

nirvana33 [79]

Answer:

$|D_{depth} |=19.697m$

Explanation:

To find Depth D of lake we must need to find the time taken to hit the water.So we use equation of simple motion as:

Δx=vit+(1/2)at²

$x_{f}-x_{i}=v_{i}t+(1/2)at^{2}\\ -5.0m=(o)t+(1/2)(-9.8m/s^{2} )t^{2}\\ -4.9t^{2}=-5.0\\ t^{2}=5/4.9\\t=\sqrt{1.02} \\t=1.01s$

As we have find the time taken now we need to find the final velocity vf from below equation as

$v_{f}=v_{i}+at\\v_{f}=0+(-9.8m/s^{2} )(1.01s) \\v_{f}=-9.898m/s$

So the depth of lake is given by:

first we need to find total time as

t=3.0-1.01 =1.99 s

$|D_{depth} |=|vt|\\|D_{depth} |=|(-9.898m/s)(1.99s)|\\|D_{depth} |=19.697m$

6 0

3 years ago

Below is an oscilloscope trace from an AC supply. Calculate the frequency of the supply if each horizontal division represents 0

GuDViN [60]

Answer:

20 hertz of frequency produced.

Explanation:

$\boxed{frequency = \frac{1}{period} }$

Here we will find frequency and period should be in second, here given: 0.05 seconds

using the formula:

$\boxed{frequency = \frac{1}{0.05} }$

$\boxed{frequency =20}$

8 0

2 years ago

The electrons of an atom store nuclear energy.

Sladkaya [172]

False. The nuclear energy is found within the nucleus. Electrons are located outside the nucleus.

4 0

3 years ago

Read 2 more answers

PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!! I CANNOT RETAKE THIS!!

Aneli [31]

$d^2=4^2+3^2\\\\d^2=16+9\\\\d^2=25\\\\d=5$

3 0

3 years ago