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katovenus [111]

3 years ago

9

A rock rolls down a steep hill. Its intial velocity is 1 meter per second. By the time it reaches the bottom of the hill 30 seco

nds later. Its velocity is 7 meters per second. What is the acceleration of the rock

1 answer:

Andru [333]3 years ago

7 0

2 meters per second is the answer

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What pressing problem did the invention of the cotton gin solve?

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Are you answering a question or asking? You have already seemed to get the answer, A is the correct answer :I

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3 years ago

The energy of a photon was found to be 3.38 x 10-19 J. Planck's constant is 6.63 x 10-34 J. S. Which color of light corresponds

GalinKa [24]

Answer:

The correct option is (c).

Explanation:

Given that,

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$E=\dfrac{hc}{\lambda}$

Where

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3 years ago

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allochka39001 [22]

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2 years ago

1. A man travels 45 m in 35 seconds. How fast is that?<br> What’s the answer

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Answer:

1.28

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2 years ago

Read 2 more answers