Did sodium lose electr

on or gain

a train traveling at 30m/s comes to a complete stop in 20 sec. how far did the train go during the deceleration

Select to show the energy of pendulum 1. Be sure that friction is set to none. Drag the pendulum to an angle (with respect to the vertical) of 30∘, and then release it. When the pendulum is at - 30∘, what form (s) of energy does it have?

There are multiple tuning forks present in the room, and Annie strikes one with a natural frequency of 400 Hz.

A block sliding along a horizontal frictionless surface with speed v collides with a spring and compresses it by 2.0 cm. What will be the compression if the same block collides with the spring at a speed of 2v?

The goal of science is to understand the natural world without

A body moving at. 500c with respect to an observer disintigratesinto two fragments that move in opposite directions relative to their center ofmass along the same line of motion as the original body. Onefragment has a velocity of.

What happens to water when it changes Into ice?

Heat gained minus work fine is equal to what?

Is Racism Good or Bad? Why? (Explain)

An archer pulls her bowstring back 0.376 m by exerting a force that increases uniformly from zero to 251 N. (a) What is the equivalent spring constant of the bow? N/m (b) How much work does the archer do on the string in drawing the bow? J