Answer:ok so When heat is added to a substance, the molecules and atoms vibrate faster. As atoms vibrate faster, the space between atoms increases. The motion and spacing of the particles determines the state of matter of the substance. The end result of increased molecular motion is that the object expands and takes up more space.

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Explanation:

8 0

3 years ago

If a 2,000-kilogram car accelerates at a rate of 3 meters per second squared,

Likurg_2 [28]

Answer:

Explanation:

assuming there is no friction

fnet=ma

2,000 kg*3m/s=6,000 N

6 0

3 years ago