For the pulley system shown, the rope must be raised 2 meters for every meter the block is raised. What force must be applied to raise a 500 N weight?

What is the mass defect of lithium? Assume the following: Atomic number of lithium = 3 Atomic mass of lithium = 7.0144 atomic mass units. Mass of 1 proton = 1.0073 atomic mass units. Mass of 1 neutron = 1.0087 atomic mass units. (A) 0.

What kind of molecule is water?

Phase, color, and ductility are all examples of what type of property?

Which statement best compares the momentum of a stationary truck and a car in motion? A. The moving car has less momentum than the stationary truck. B. The moving car and the stationary truck have the same momentum. C.

A simple pendulum with length 1.6 m and mass 21 kg is pulled 20◦ from the vertical and released. If it is allowed to swing until it comes to rest, how much energy was converted into heat? The acceleration of gravity is 9.8 m/s 2.

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.