An object has a velocity of 8 m/s and a kinetic energy of 480 J. What is the mass of the object? (Formula:)

7.5 kg

15 kg

60 kg

120 kg

A 165g arrow is shot straight up into the air with a speed of 16m/s reaches a maximum height of 12.0612m. a. Find the initial kinetic energy. The acceleration of gravity is 9.8m/s^2. b. Find the potential energy at its highest position. c.

Technician A says that the intake and exhaust manifolds have to be removed before removing the engine from the vehicle.

The model below shows a calcium atom. How many electrons are in the third energy level? 2 8 18 20

Each plate of a parallel-plate air-filled capacitor has an area of 0.0020 m2, and the separation of the plates is An electric field of is present between the plates. What is the surface charge density on the plates

Quickly spinning the handle of a hand generator, Kevan is able to light three bulbs in a circuit. When he uses two batteries instead of the generator, the bulbs are very dim.

Which statement would be a valid argument in favor of using nuclear power? There are few negative impacts from mining the fuel. Reactors are safe from natural disasters. There are little to no waste products from fission.

How would you convince somebody that the momentum of an isolated system is constant?

Object A has a charge q on it, object B has a charge q on it, and Object C has a charge 2q on it. These charges are arranged, one each, at the vertices of an equilateral triangle. Which charge has the greatest magnitude electric force on it? a. Ab.

How can Newton's laws be used when addressing the motion of objects?

A plastic rod rubbed with a duster attracts bits of paper becauseof a what force