A ball has a mass of 140 g. What is the force needed to accelerate the ball at 25 m/s2? (Formula: F=ma) 3.5 N 115 N 165 N 4.5 N

Air becomes a conductor when the electric field strength exceeds 3.01 * 106 N/C. Determine the maximum amount of charge that can be carried by a metal sphere 5.0 m in radius. The value of the Coulomb constant is 8.99 * 109 N · m2 / C 2.

Apply the kinetic theory to describe the motion of particles in a homogenous mixture of sugar and water as it is boiled.

A solenoid is created by wrapping a L = 55 m long wire around a hollow tube of diameter D = 4.5 cm. The wire diameter is d = 0.55 mm. The solenoid wire is then connected to a power supply so that a current of I = 8.5 A flows through the wire. A.

Can a magnet ever have a single pole

A 1250 kg car starts from rest and speeds up to 14.0 m/s in 7.25s. How much force acted on the car?

Is the following sentence true or false? Some information about an object or process may be missing from a model.

If V is a velocity, l a length, and v a fluid property having dimensions of L2T-1, which of the following combinations are qualitatively dimensionless (show work for a through d) : (a) V l v (b) Vl/v (c) V2v (d) V / (l v)

What happens to the total mechnical energy of the apple as it falls from the tree?

Fair Bonus Question: Derive the equation for gravitational potential energy, starting with the definition of work.

A juggler throws a bowling pin into the air with an initial velocity. Another juggler drops a pin at the same instant.