An object, initially traveling at a velocity of 52 m/s, experiences an acceleration of -9.8 m/s2. How much time will it take it to come to rest?

The image shows the positions of a car on a roller coaster track. arrange the cars in order based on their gravitational potential energy. begin with the lowest potential energy and end with the highest.

What do you think car designers do if the damage caused by a crash test is too severe?

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