The rate at which work is done is called

The rate at which work is done is called Power.

Explanation:

Power is work done per unit time. or it can also be defined as ratio of work done to time taken to complete the work.

Mathematically the power (P) is given as:

1 watt = 1 Joule/second

Where:

W = Work done in time T.

T = Time taken to complete the work

The rate at which work is done is called Power.

c because the action was the roller coaster reaches bottom of hill (action) reaction would be blood tends to drain away from head

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that tool is called an altimeter which measures your altitude which can be used to tell which atmosphere you are currently in, including the stratosphere.

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