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# Blast Off

Pro Problems > Physics > Energy and Work

## Blast Off

During its vertical launch, a 4 kg model rocket speeds up from 0 to 80
m
s
in 3 seconds. What is the total energy gain (kinetic and potential) of the rocket during the three seconds?

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Problem by allie

## Solution

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## Similar Problems

### Rocket Launch

A 2 million kg rocket launches from ground level, with an angle of inclination of 45 degrees. Its speed after launch is 1414
m
s
. When it reaches its highest point:

A.  How much kinetic energy does it have?
B.  How much potential energy does it have?
C.  What is the maximum height, to the nearest kilometer, of the rocket?

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