Why are protons and neutrons are similar and different than each other? Explain why.

How much force would you need to cause a 20kg object to accelerate in a straight line to 20m/s2?

How is the Maunder minimum related to climate? a. Unusually low sunspot activity correlates to unusually cold climatic events. b. The Maunder minimum is unrelated to climate. c. Changes in the Earth's tilt correlate to changes in climate. d.

A cart of mass 0.400 kg moves with a speed of 1.2 m/s toward a secondary cart of mass 0.300 kg that is initially at rest. When the carts collide they stick together. What speed do the carts move with after the collision

Anya knows the velocity of an object. what else does she need to know in order to find the object's momentum?

A rocket, weighing 43576 N, has an engine that provides an upward force of 11918 N. It reaches a maximum speed of 713 m/s. For how much time must the engine burn during the launch in order to reach this speed? Call up positive.

No work is done on an object when a force acting on the object does not move it. True False

wavelength of a light whose second-order dark band forms a diffraction angle of 15.0° when it passes through a diffraction grating that has 250.0 lines per mm

If a fully loaded shopping cart has a head-on collision with an empty cart both moving at the same speed toward each other, which cart experiences the greater force? The greater impulse? The greater change in momentum? The greater acceleration?

Why didn't early Portuguese and Dutch explorers decide to create settlements in Australia

How do the electrons in the bulb's filament, far from the battery and its emf, "know" that they should flow?