Water pumps use electrical energy to create mechanical energy needed to move water. A 1875 W water pump is plugged into a 110 V electrical outlet.

Achild throws a ball with an initial speed of 8.00 m/s at an angle of 40.0° above the horizontal. the ball leaves her hand 1.00 m above the ground. how long is the ball in flight before it hits the ground?

What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?

What is a subatomic particle with a negative charge and very little mass?