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olya-2409 [2.1K]
3 years ago
8

Some help me on this please

Physics
1 answer:
satela [25.4K]3 years ago
8 0

Answer:

Changes in the object's momentum (answer D)

Explanation:

A net force will cause an object to change its velocity, and that will affect the object's momentum, which is defined by the product of the object's mass times its velocity.

So, select the last option (D) in the given list.

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When did agriculture first began?​
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  • Humans invented agriculture between 7,000 and 10,000 years ago, during the Neolithic era, or the New Stone Age. There were eight Neolithic crops: emmer wheat, einkorn wheat, peas, lentils, bitter vetch, hulled barley, chickpeas, and flax.

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How much time does it take the cheetah to travel 500 meters, if its average speed is 70 meters per second?
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Which statement describes what happens when a balloon is rubbed with a wool cloth?
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Electrons move from the atoms in the cloth to the atoms in the balloon, causing the balloon to have a negative charge

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A Meteorite Strikes On October 9, 1992, a 27-pound meteorite struck a car in Peekskill, NY, leaving a dent 22 cm deep in the tru
vagabundo [1.1K]

Answer:

Acceleration of the meteorite, a=-38409.09\ m/s^2

Explanation:

It is given that,

A Meteorite after striking struck a car, v = 0

Initial speed of the Meteorite, u = 130 m/s

Distance covered by Meteorite, s = 22 cm = 0.22 m

We need to find the magnitude of its deceleration. It can be calculated using the third equation of motion as :

a=\dfrac{v^2-u^2}{2s}

a=\dfrac{-(130)^2}{2\times 0.22}

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So, the deceleration of the Meteorite is -38409.09\ m/s^2. Hence, this is the required solution.

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