Abox with a mass of 10.0 kg is at rest on a table. what is the normal force acting on the box?

What law energy has never been broken

List one type of erosion and describe how it happens?

Astone is dropped with no initial velocity from the top of a cliff and hits the ground a time of 3.9 s later. what is the height of the cliff, in units of meters? you may assume that air resistance is negligible. give the answer as a positive number question 15 a figure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 200 o 20.9 12000 o 3.33