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3 years ago

Is there ever a situation where an ant will have more momentum than an elephant? Explain why or why not?

Physics

2 answers:

NeX [460]3 years ago

7 0

Answer: The correct answer is D.

Explanation:

Momentum is defined as the product of the mass and the velocity.

To have more momentum, there should be both mass and the velocity.

If the object has more mass as compared to the object having lighter mass and the heavier mass object is standing still and lighter one is moving then the lighter object will have more momentum.

In the given problem, if the elephant is still standing but an ant is moving then an ant will have more momentum than an elephant.

Therefore, the correct answer is D.

kipiarov [429]3 years ago

6 0

An ant is having higher momentum than elephant only if elephant is standing still.

Explanation:

The word momentum is known as product of mass $m$ of object and its velocity $\overrightarrow v$ by which it moves and the momentum can be denoted by vector term $\overrightarrow p$ .

The object whose product of mass and velocity are higher will have more momentum.

If elephant stands still, means its velocity is equal to zero, then product of its mass and velocity will be zero. Hence, it will have zero momentum.

In the meantime, the mass of ant is insignificantly small but have some velocity for moving. So, the ant will have small momentum but somewhat greater than zero.

Therefore, an ant will have more momentum than elephant if the elephant stands still.

If an ant will stand still it have 0 velocity, so the momentum will be equal to 0. Hence, this option is also incorrect.

The option “The elephant has much high mass” is incorrect because having high mass but zero velocity will result in zero momentum.

Thus, an ant will have higher momentum than elephant if elephant is standing still.

Learn More:

1. Momentum <u>brainly.com/question/11896510</u>

2. More about momentum <u>brainly.com/question/11947870</u>

3. Force and motion <u>brainly.com/question/11942991 </u>

Answer Details:

Grade: High School

Subject: Physics

Chapter: Momentum

Keywords:

Ant, more, explain, standing, mass, fast, still, change, object, velocity, force, times, impulse, acting, negligible, product, zero, elephant, momentum.

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2 years ago

a gym consists of a rectangular region with a semi-circle on each end. if the perimeter of the room is to be a 200 m running tra

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The dimensions of the rectangle are:

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The perimeter is the length of the outline of a shape. To find the perimeter of a rectangle or square you have to add the lengths of all the four sides.

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The perimeter of a rectangle,denoted by P is given by the formula, P=2l+2b, where l is the length and b is the breadth of the rectangle.

<h3>Given:</h3>

As per the question:

Perimeter of the room is given as P = 200 m

The region is rectangular having a semicircle at each end.

Now,

Let 'l' be the length of the rectangle, 'b' be its breadth and 'r' be the radius of the semi-circle at each end.

Then, Area of the given rectangle, A = lb

Perimeter of the room, P is = $\pi r+l+\pi r+l=2\pi r+2l=\pi b+2l$

Therefore, $\pi b+2l=200$

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Now,

Area, A = $l(200-2l)/\pi=(200l-2l^{2} )/\pi$

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$(200-4l)/\pi=0$

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Now, from

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1 year ago

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The direction of the wind will have to be angle between the boat and the resultant.
cos θ = (20 knots)/(26.24 knots)
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Hence, the direction is 40.36° east of north.

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3 years ago

If a roller coaster car had 40,000 J of gravitational potential energy when at rest on the top of a hill how much kinetic energy

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Answer:

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Substituting in the K.E equation

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3 years ago

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3 years ago