A boy kicks a football with a force of 20 N, the time the force acts for is 0.3s. Calculate the impulse on the ball.

From center station, a train departs every 30 minutes on the fast line and a train departs every 50 minutes on the state line. if two trains depart from center station at 8: 00 a.m., one on each of the two lines, what is the next time that two trains, one on each line, will depart at the same time?

It takes a lot of energy to get the temperature of water to increase and eventually boil because water has a high heat.

How much heat is needed to raise the temperature of 5g of water by 16°c?