A6kg weight is lifted off the ground to a height that gives it 70.56j gravitational potential energy. what is its height? acecelaration due to gravity is g=9.8m/s

Apulley with a mechanical advantage of 5 will require you to pull times the amount of rope. a. 1/5 b. 5 c. 10 d. 15

Standing side by side ,you and a friend step off a bridge at different times and fall for 1.6s to the water below. your friend goes first, and you follow after he has dropped a distance of 2.0m. when your friend hits the water, is the seperation between the two of you 2.0m or more than 2.0m? verify your answer with a calculation.

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