Car b is following car a and has a greater speed than car a. the two cars are moving in a straight line and in the same direction, and have the same mass. in situation one, car a is traveling at 10 mph and car b at 20 mph. in situation 2, car a is traveling at 30 mph and car b at 40 mph. assuming a perfectly inelastic collision in which the cars stick together after the collision, what will be true?

Abug is 12 cm from the center of a turntable that is rotating with a frequency of 45 rev/min . what minimum coefficient friction is required so that the bug stays on the turntable?

A3.9 g aluminum foil ball with a charge of +4.1×10−9 c is suspended on a string in a uniform horizontal e⃗ field. the string deviates to the right and makes an angle of 30∘ with the vertical. part a part complete what information about the e⃗ field can you determine for this situation? what information about the field can you determine for this situation? only the magnitude of e⃗ only the direction of e⃗ both the magnitude and the direction of e⃗ none of the above previous answers correct part b determine the magnitude of the electric field. express your answer with the appropriate units. e e = nothing nothing request answer part c determine the direction of the electric field. determine the direction of the electric field. to the right to the left away from you toward you

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f