A0.15 kg baseball is hit by a baseball bat. right before it is hit, the ball’s speed is 30 m/s, and right after it is hit, the ball’s speed is 50 m/s in the opposite direction. what is the magnitude of the net impulse that is applied to the ball?
10.5 kg? m/sa. 4.5 kg? m/sb. 12.0 kg? m/sc. 7.5 kg? m/sd. 3.0 kg? m/s

Avertical clean glass piezometer tube has an inside diameter of d = 1 mm and is used to measure pressure in a horizontal pipe carrying water as shown. due to pressure in the pipe, the water at 20c rises into the tube to a height h. if the water pressure in the pipe is p = 500 pa gauge, estimate the height h: (a) without considering surface tension (b) with surface tension (capillary) effects. the contact angle  can be assumed at 30 deg

How does the formation of intrusive and extrusive igneous rocks differ?

How do you calculate the gravitational force on a rubber ball which has a mass of 50g