What will be the acceleration of an 8 kg object when something hits it with an 12 n force?

Why should the wavelength scale of spectroscope be calibrated

Which of the following characteristics of earth's relationship to the sun explains the existence of earth's seasons? choose all that apply. earth has a satellite called the moon, which rotates around earth. earth spins on its axis, completing one rotation each day. earth's axis always points in the same direction relative to the stars. earth's axis is tilted relative to its orbital plane. earth orbits around the sun, completing one orbit each year.

How would you find force of the ping pong ball rolling down the track?