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4 years ago

What is the momentum of an object that is traveling at 3 m/s and has a mass of 5 kg?

Physics

1 answer:

Ilya [14]4 years ago

6 0

Answer:

Momentum of the object = 15 kg.m/s

Explanation:

Given

mass, m = 5 kg

speed, v = 3 m/s

momentum, p = ?

We know that the momentum is given by the equation:

p = mv

= 5 kg x 3 m/s

= 15 kg.m/s

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Rubber rods charged by rubbing with cat fur repel each other. Glass rods charged by rubbing with silk repel each other. A rubber

puteri [66]

Answer:

C. A rubber rod and a glass rod charged this way have opposite charges on them.

Explanation:

When a rubber rod is rubbed against cat fur, it acquires a negative charge, it becomes negatively charged.

When you then try to bring two rubber rod's together, they repel because like charges repel.

Meanwhile, when you rub a glass rod against silk, it loses electrons to the silk material and becomes positively charged.

When you bring two positively charged glass rod's together, they repel, because like charges repel.

However, when you bring the rubber rod and a glass rod together, the attract each other because unlike/opposite charges attract.

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3 years ago

If his Christmas lights were wired as a, blank circuit instead of a blank circuit he could avoid this headache

quester [9]

Answer:

u said blank circuit 2x

Explanation:

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3 years ago

You look in the sky and see two jetliners that you know are of equal size, yet one appears to be much larger. Because of your kn

Ksju [112]

Answer:

Because of the knowledge of <u>relative size</u>, it will be assumed that the smaller jetliner is farther away.

Explanation:

According to the theory of relative size, the distance that an object has to the viewing individual affects the perception of the individual regarding the size of the object.

As stated in this case, one of the jetliners is farther away from the other. Therefore, even if the jets are of equal size, the one that is at a greater distance is perceived to be smaller as it is at a greater viewing range. The one that is nearer to the individual seems bigger in comparison to the one farther away due to a closer viewing range.

Therefore, the jet that is nearer appears larger.

To know more about relative size, refer to:

brainly.com/question/19998265

#SPJ4

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2 years ago

Solve for (b) how many revolutions it takes for the cd to reach its maximum angular velocity in 1.36s?

Digiron [165]

Angular displacement of the cd is 3.25 rev

Explanation:

The question is incomplete. It is not given what is the maximum angular velocity of the cd.

Here we are going to assume that the maximum angular velocity is: