Mass O. 2 A ball P
0.25kg, losses the third its velocity
when it makes a head on collision with
an identical ball at rest. After collision and
moves off with as
with a speed off
2mls and original
direction of P Calculate a initial velocity of
P

An object weigh 40n in air ,weigh 20n when submerged in water,and 30n when submerged in a liquid of unknown liquid density.what is the density of unknown of liquid?

Awater-filled u-tube manometer is used to measure the pressure inside a tank that contains air. the water level in the u-tube on the side that connects to the tank is 5 ft above the base of the tank. the water level in the other side of the u-tube (which is open to the atmosphere) is 2 ft above the base. determine the pressure within the tank.

Aria drove to the store, did some shopping, and then came home. during maria's trip, when was her displacement equal to zero?