Given an estimated value of 15.6 and a measured value of 19.3, is this a good or bad estimate? Assume that a good estimate has a percent error of less than 20%

Astudent pushes on a 20.0 kg box with a force of 50 n at an angle of 30° below the horizontal. the box accelerates at a rate of 0.5 m/s2 across a horizontal floor. what is the value of the normal force on the box? 200 n 243 n 156 n 225 n

A2-kg bowling ball is 2.5 meters off the ground on a post when it falls. just before it reaches the ground, it is traveling 7 m/s. assuming that there is no air resistance, which statement is true?

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island