Find the momentum of a 25kg object going 4 m/s.

A baseball is hit so that it travels straight upward after being struck by the bat. A fan observes that it takes 3.00 s for the ball to reach its maximum height. Find (a) the ball's initial velocity and (b) the height it reaches.

What is the primary function of the small intestines

A very long nonconducting cylinder of diameter 10.0 cm carries charge distributed uniformly over its surface. Each meter of length carries + 5.50 µC of charge. A proton is released from rest just outside the surface.

There are two objects with initial charge. Object A has 3 positive and 3 negative charges. Object B has 5 positive and 3 negative charges.

It's very common to have paint thinner in an auto body repair shop. which would be the most effective way of extinguishing a puddle of thinner that catches fire? a. class a extinguisher b. class c extinguisher c. class b extinguisher d. water hose

Two copper wires with different diameters are joined end to end. If a current flows in the wire combination, what happens to electrons when they move from the larger-diameter wire into the smaller-diameter wire?

A baseball player is warming up and tosses a ball straight up into the air. The ball travels up until it reaches some maximum height, and then falls back down to the player/'s hand.

Volume can be measured in liters or cubic meters. a. T b. F

A spring with a spring constant of 1200 N/m has a 55-g ball at its end. The energy of the system is 5.5J. What is the amplitude of vibration?

Force F1 acts on a particle and does work W1. Force F2 acts simultaneously on the particle and does work W2. The speed of the particle does not change. Which one of the following must be true? a. W1 is zero, and W2 is positiveb. W1 = - W2c.