Sudhi is studying the motion of a toy car. she places the car in the middle of a ramp and releases it. which best describes the reference point in this scenario? the top of the ramp the bottom of the ramp the ending position of the car the starting position of the car

The most important difference between a wedge and an inclined plane is a. their size b. their shape c. how they are used d. what they are made of

Ahot-air balloonist, rising vertically with a constant speed of 5.00 m/s releases a sandbag at the instant the balloon is 40.0 m above the ground. after it is released, the sandbag encounters no appreciable air drag. compute the velocity of the sandbag at 0.250 s after its release.

Which additional product balances the reaction h2so4 + 2naoh → na2so4 + 2h2o 2oh h2o2 h3o