A man slid down a slope. He slid down 10.7m/s for 4 hours. How much did he cover in 30 minutes?

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?

Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.