A cinder block is sitting on a platform 20 m high. it weighs 7.9 the block has potential energy. calculate it.

A cloud type that usually produces precipitation is a (n)

At a certain instant after jumping from the airplane A, a skydiver B is in the position shown and has reached a terminal (constant) speed vB = 52 m/s.

If you were to go to space, and took your helmet of the suit off while your out side of the rocket, what would happen?

A 4n force is applied to an object with a mass of 2kg what is the accelertion of the object

Why does a submarine rise when its volume is increased? a. Because it now weighs less c. Because it fills with air b. Because its density is now lower than the water around it d. Because it is less buoyant when it is larger

A moving object has a kinetic energy of 150 j and a momentum with a magnitude of 30.0 kg•m/s. determine the mass and speed of the object

How does changing depth affect water pressure

The mass of a rigid rod is 0.60 kg and its length is 39.0 cm. Calculate the moment of inertia (in kg · m2) for the rod if it is pivoted about an axis through the center of mass of the rod. (Assume the axis is perpendicular to the rod.

Does a rolling basketball have kinetic energy

Noah Formula is in an airplane which is flying at constant speed in a circular course of radius 6500 m, circling O'Hare's airplane prior to landing. Noah observed that the plane completes each round trip in 345 seconds (5 minutes & 45 seconds).