a 0.2kg ball rotates at a constant speed of 3 m/s on the end of 1.2 m long string. what is the centripetal acceleration of the object?

Suppose you wanted to use the Earth's magnetic field to make an AC generator at a location where the magnitude of the field is 0.50 mT. Your coil has 1000.0 turns and a radius of 5.0 cm.

Which planet is closest to the sun? Venus Pluto Neptune Mercury

pretend that is not friction at all between a pair of ice rink. If a hockey player using this special pair of ice skates was gliding along on the ice at constant speed and direction, what would be required for him to stop?

A gannet is a seabird that fishes by diving from a great height. part a if a gannet hits the water at 32 m/s, what height did it dive from

How much power does a 2000 kg car need to accelerate from 20 m/s to 35 m/s in 7 seconds?

Ethan pushes a wooden box across a carpet floor then he pushes the same box across a smooth marble floor why does Ethan find it easier to push the box on the marble floor than carpet floor

Let's now apply our equations for the normal modes of open and closed pipes. On a day when the speed of sound is 345 m/s, the fundamental frequency of an open organ pipe is 690 Hz.

Suppose you are an observer standing on the Moon, looking back at Earth. If the moon is in the waxingquarter phase, what phase of the Earth would you see? A. waxing quarter B. full C. new D. waning quarter E. none; the Earth doesn't have phases

How many chromosomes will an elephant's sperm have?

Would the springs inside a bathroom scale be more compressed or less compressed if you weighed yourself in an elevator that was moving upward at constant velocity