Why doesn't the skateboarder rolls as high up the ramp each time you go down the ramp

In which situation is maximum work considered to be done by a force?

Which factor indicates the amount of charge on the source charge? A. the number of field lines on the test charge B. the number of field lines on the source charge C. the direction of lines on the source charge D.

The temperature of a system drops by 30°F during a cooling process. Express this drop in temperature in K, R, and °C.

Fronts are termed by the temperature of the air mass that overtakes another air mass. A. True B. False

How do you work out the angle of incidence, and the angle of reflection without measuring?

Which electromagnetic waves have a higher frequency than visible light

Calculate the speed for a car that went a distance of 125 miles in 2 hours time

A small 25 kilogram canoe is floating downriver at a speed of 4 m/s. What is the canoe's kinetic energy?

A car traveling on a flat (unbanked), circular track accelerates uniformly from rest with a tangential acceleration of 1.85 m/s2. The car makes it one quarter of the way around the circle before it skids off the track.

A train travels 120 km in 2 hours and 30 minutes what is the average speed