A 0.750kg ball is dropped on to a spring. If the ball is traveling at 5.00m/s, how much does the spring compress bringing the ball to a stop? The spring constant is 650.N/m

How can you increase the strength of an electromagnet?

What kind of waves require a medium to travel? question 6 options: light waves mechanical waves all waves need a medium to travel electromagnetic waves

When you see distant streetlights through smog, they look dimmer and redder than they do normally. but when you see the same streetlights through fog or falling snow, they look dimmer but not redder. use your knowledge of the interstellar medium to discuss the relative sizes of the particles in smog, fog, and snowstorms compared to the wavelength of light.