How To Draw A Car

1. A ball rolls down a hill and hits a box. The momentum of the ball decreases. Which happens to the momentum?

It is transferred to the box.
It is converted to inertia.
It is converted to mass.

2. How much force is needed to accelerate a 1-kilogram toy car at a rate of 2 meters per second per second?

20 Newtons
2 Newtons
0.5 Newtons

3. All examples involve chemical energy except __________.

working muscles using food
burning a candle
coasting downhill on a bike

4. A clock radio is rated as 30 W of power output. If the radio also draws 30 W at 120 V, which will the current draw be?

0.25 A
4 A
3,600 A
0.5 A

If you could just answer whichever ones you know it would be MUCHHH appreciated!! Thanks!

Technorati Tags: chemical energy, clock radio, Decreases, inertia, kilogram, momentum, muscles, newtons, Physics Questions, Radio 105, Radio 97, toy car, W 111

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Tags: chemical energy, clock radio, Decreases, inertia, kilogram, momentum, muscles, newtons, Physics Questions, Radio 105, Radio 97, toy car, W 111

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