Auniform wire with mass m and length l is bent into a semicircle. a. find the magnitude of the gravitational force this wire exerts on a point with mass m placed at the center of curvature of the semicircle.

Frost wedging occurs when water seeps into a crack in a rock, freezes, and causes the crack in the rock to widen. t or f

Initially, a particle is moving at 5.33 m/s at an angle of 37.9° above the horizontal. two seconds later, its velocity is 6.11 m/s at an angle of 54.2° below the horizontal. what was the particle's average acceleration during these 2.00 seconds in the x-direction (enter first) and the y-direction?

What is the scientific definition of energy that relates to work