Acatapult fires a rock at 32 degree angle to the horizontal at a velocity of 160m/s at an oncoming vehicle. the vehicle is moving directly towards the catapult at a velocity of 35m/s. find: a) what distance should the vehicle be from the catapult at the instant the rock is released in order for the rock to hit the vehicle.
b) what is the time of flight of the rock.

Asher cycles 12 miles in 16 hours. what is his speed?

M1 = 2.8 kg, m2 = 6.72 kg, m3 = 11.2 kg, byas in .is ,is .toof m3 it 0.91 m. (in m/s)

Acharge q experiences no net force at a particular point in space. which of the following situations described below must always be true? -there are no other charges nearby. -if there are other charges nearby, they must all have the same sign as q. -if there are other charges nearby, they must all have the opposite sign of q. -if there are other charges nearby, the total positive charge must equal the total negative charge. -none of the above