In a soccer game a midfielder kicks the ball from one touchline directly toward the other with a velocity of 14m/s (along the positive x axis ) after the ball travels for 2.5 seconds a stricker makes an acrobatic kick that gives the ball a new velocity in the y direction and after 0.9 seconds as the ball passes the diving goalkeeper and goes into the net if total displacement of the ball is 40.2 at 29.5 above x positive axis with what speed did the stricker kick the ball

The speed of light in a material is 0.50 c. what is the critical angle of a light ray at the interface between the material and a vacuum?

Aperson gives a shopping cart an initial push along a horizontal floor to get it moving, and then lets go. the cart travels forward along the floor, gradually slowing as it moves. consider the horizontal force(s) on the cart while it is moving forward and slowing. which of the following statements is correct? (a) both a forward and a backward force are acting on the cart, but the forward force is larger. (b) only a forward force is acting which diminishes with time. (c) both a forward and a backward force are acting on the cart, but the backward force is larger. (d) only a backward force is acting, no forward force.

What would be the strength of earth's gravitational field at a point where an 80.0 kg astronaut would experience a 80% reduction in weight