An originally stationary car with a mass of 1500 kg which velocity of 15 m/s, five second after starting. what is the car’s acceleration? how much force was required to reach this acceleration

c)as speed changes, wavelength and frequency change.

everything changes!

jupiter is the largest planet in our solar system, having a mass and radius that are respectively, 318 and 11.2 times that of earth. suppose that an object falls from rest near the surface of each planet and that the acceleration due to gravity remains constant during the fall. each object falls the same distance before striking the ground. determine the ratio of the time of fall on jupiter to that on earth.