A rifle is used during the biathlon event in the Olympics. The rifle has a mass of 3 kg and the bullet has a mass of 0.015 kg. After it is shot, the bullet travels
at a speed of 450 m/s. What is the total momentum of the rifle bullet system
after the bullet is shot?
A. 1350 kg-m/s
OB. 0 kg-m/s
O C. 6.75 kg-m/s
D. 1365 kg-m/s

Galileo was the first to notice that the moon has craters, valleys, and mountains. how might this have changed people's perception of the moon at the time?

If the new moon happens on january 15th, what shape will it be on february 6th?

Anonzero net force acts on a particle and does work. which one of the following statements is true? the kinetic energy of the particle changes, but the speed of the particle does not change. the kinetic energy of the particle does not change, but the speed of the particle does change. the kinetic energy of the particle changes, but the velocity of the particle does not change. the kinetic energy and the speed of the particle change, but the velocity of the particle does not change. the kinetic energy, speed, and velocity of the particle change.