Aboy throws a stone horizontally from the top of a cliff of height h = 50.0 m towards the
ocean below. the stone strikes the water at a distance d = 60.0 m from the base of the cliff.

the time at which the stone lands in the water is 3.19s. calculate the initial speed of the stone?

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

Asap i'm in class rn a 1,000-kg car is traveling 20 m/s on a flat stretch of road. it gets to a hill and coasts uphill until it stops. how high up the hill does the car travel? givens: equation: 1/2mv2initial=mghfinal solve for h. plug & chug, label.

1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? yourunits 3. a clothes dryer uses about 2 amps of current from a 240 volt line. how much power does it use? yourunits 4.