A skater moves with 15 m/s velocity in a circle of radius circle of radius 30 m. The ice exerts a center force of 450 N. What is the mass of the skater?

What is the magnification of a real image if the image is 10.0 cm from a mirror and the object is 50.0 cm from the mirror ? use the equation m=-di/do. a. -5.0 b. 5.0 c. 0.20 d. -0.20

The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter