If you apply a force of 20 N downward on a
car jack piston with an area of
2.5 cm?, what force will be
applied to the upward piston
if it has an area of 400 cm??
Hint: Remember that pressure
equals force divided by area.

Truck traveling west on the highway experiences an acceleration to the east. what could be the cause of this acceleration

Using the work energy theorem. what is the velocity of a 850kg car after starting at rest when 13,000j of work is done to it.

Part a constants huck finn walks at a speed of 0.60 m/s across his raft (that is, he walks perpendicular to the raft's motion what is huck's velocity (speed and direction) relative to the river bank? express your answer to three significant figures and include the appropriate units. relative to the shore)