A wooden log is displaced to a distance of 20m in 10 seconds by applying 500N effort . Calculate the workdone and power.

If a sphere and a cure have the same mass and are propelled up a ramp with the same force, which would travel father up the ramp? explain.

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?

When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is