A solid uniform-density sphere is tied to a rope and moves (without spinning) in a circle with speed 9 m/s. The distance from the center of the circle to the center of the sphere is 1.7 m, the mass of the sphere is 5 kg, and the radius of the sphere is 0.75 m.

What is the angular speed ?

Moon effect. some people believe that the moon controls their activities. if the moon moves from being directly on the opposite side of earth from you to being directly overhead, by what percentage does (a) the moon's gravitational pull on you increase and (b) your weight (as measured on a scale) decrease? assume that the earth–moon (center-to-center) distance is 3.82 × 10^8 m, earth's radius is 6.37 × 10^6 m, moon's mass is 7.36 × 10^22 kg, and earth's mass is 5.98 × 10^24 kg.

If you wanted to move an electron from the positive to the negative terminal of the battery, how much work w would you need to do on the electron? enter your answer numerically in joules.

Properties seen when one one substance changes to another are known as properties