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melisa1 [442]
3 years ago
11

If you change the mass of a moving object, you change its ??

Physics
1 answer:
satela [25.4K]3 years ago
7 0
If you change the mass, you change anything that depends on mass. But I suspect the word you're looking for is "momentum"
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A tree moves at 30 km/s relative to the Sun. A squirrel jumps from a branch on
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The reasoning is wrong if we look into Newton's Law of gravitation.

Newton's law of gravitation states  that every particle in the universe attracts every other particle with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers.

The law is written as follows;

F = \frac{Gm_1m_2}{r^2}

r = \sqrt{\frac{Gm_1m_2}{F} }

The distance between the two particles, is a function of force and their masses not necessarily time of motion.

In the given problem only time of motion was considered which is wrong.

Thus, the reasoning is wrong if we look into Newton's Law of gravitation.

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Jennifer works for an automaker and tests the safety performance of cars. she watches a 2,000-kilogram car crash into a wall wit
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The acceleration of the car at impact is 15m/s².

<h3>What is Newton's Second Law of Motion?</h3>

Newton's second law provides a precise explanation of the modifications that a force can make to a body's motion. According to this, a body's momentum changes at a rate that is equal to the force acting on it over time in both magnitude and direction. A body's momentum is equal to the sum of its mass and velocity. Similar to velocity, momentum has both a magnitude and a direction, making it a vector quantity.

acceleration - rate of change of velocity with time, both in terms of speed and direction. A point or object going straight forward is accelerated when it accelerates or decelerates.

There are three types of accelerated motions :

  • uniform acceleration,
  • non-uniform acceleration
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express all the units in their most basic form.

kg, newton = kg*m/s², acceleration =m/s²

\frac{ 30000 kg*m/s^{2} }{ 2000 kg}  = 15m/s^{2}

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There are three types of mechanical waves: transverse waves, longitudinal waves, and surface waves. :/

Explanation:

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The insect's velocity is 0.2 meter/second along east.

<h3>What is velocity?</h3>

The rate at which a body's displacement changes in relation to time is known as its velocity. Velocity is a vector quantity with both magnitude and direction. SI unit of velocity is meter/second.

Given parameters:

An insect crawls 4 m east along a hiking path.

Time taken by it: t = 20 seconds.

We have to fine: the insect's velocity, v =?

So, the magnitude of velocity: v= 4/20 meter/second = 0.2 meter/second.

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