When the change in momentum occurs over an extended period of time, the force of impact is:?

The rod is made of A-36 steel and has a diameter of 0.24 in. If the rod is 4 ft long when the springs are compressed 0.7 in. and the temperature of the rod is T = 50 ∘F, determine the force in the rod when its temperature is T = 150 ∘F.

If the air pressure is doubled, the speed of sound

An oil drop with a mass of 8.3 grams and a charge of + 2.2 mC is floating 7.68 meters above a positively charged floor. What is the magnitude of the charge on the floor?

Bounce Height (feet) Bounce 1 2 Bounce 2 3 Bounce 3 4 Bounce 4 5 Corita bounced a ball four times. She measured how high the ball bounced each time. She recorded her data in the table.

A sea breeze occurs because warm air rises on land and moves toward the ocean to cool. The cool air then moves from the ocean to be warmed by the land. a. True b. False

You and your friends are doing physics experiments on a frozen pond that serves as a frictionless, horizontal surface. Sofia, with mass 80.0 kg, is given a push and slides eastward. Elena, with mass 55.0 kg, is sent sliding northward.

Which practice fits the definition of conservation? using more of a mineral resource than needed not using a necessary mineral resource at all mining a mineral without regard to the surface soil and vegetation above it recycling cans that contain a

The word family implies that the elements in a family have like properties. What property do the elements of the noble gas family all share?

What is the energy of an object because of its potential and kinetic energies? A.) chemical energy B.) electrical energy C.) nuclear energy D.) mechanical energy

If the volume of a hot air balloon remains constant, what happens as the temperature of the air inside the balloon increases?