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A 539 g ball strikes a wall at 14.4 m/s and rebounds at 13.8 m/s. The ball is in contact with the wall for 0.033 s. What is the magnitude of the average force acting on the ball during the collision? Answer in units of N.

What does the electron cloud model describe Rapidly moving protons Rapidly moving neutrons Rapidly moving electrons Rapidly moving nucleus

If the mass of a material is 50 grams and the volume of the material is 5 cm^3, what would the density of the material be?

For a sine wave depicting simple harmonic motion, the smaller the amplitude of the wave, the smaller the of the pendulum from the equilibrium position. The shorter the period, the the pendulum's rod.

The force of gravity decreases as the ___ between the masses increases

A student examining a joint observes collagen-rich connective tissue fibers linking the bones, but finds no synovial cavity. Which structural classification fits the observed joint?

How to identify additional materials

Tarzan runs at 6 m/s and grabs a vertical vine (negligible mass) 4.1 m long which is tied to a tree at the top. Tarzan swings up. Determine the maximum height Tarzan will swing up and the angle the vine makes respect to vertical.

What is the safest place to be amid the coronavirus?

What is the change in internal energy if 60 J of heat are added to a system and the system does 40 J of work on its surroundings? Use AU = Q-W.