A coin placed 29.2 cm from the center of a rotating, horizontal turntable slips when its speed is 51.8 cm/s. (a) What force causes the centripetal acceleration when the coin is stationary relative to the turntable?

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity

The uniform slender bar rests on a smooth horizon- tal surface when a force f is applied normal to the bar at point a. point a is observed to have an initial acceleration aa of 20 m/s2, and the bar has a corre- sponding angular acceleration of 18 rad /s2. deter- mine the distance b.

Afrequency generator sends a 550 hz sound wave through both water and ice. what is the difference in wavelength between the wave produced in ice and the wave produced in water?