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a girl gets on her skateboard and pushes off with her foot. as she moves across the gym floor, she moves slower and slower and eventually comes to a stop. why does she come to a stop?

a. because there are no forces acting on the skateboard.

b. because the force in the skateboard runs out.

c. because the force of friction is acting on the skateboard.

During your summer internship for an aerospace company, you are asked to design a small research rocket. the rocket is to be launched from rest from the earth's surface and is to reach a maximum height of 910 m above the earth's surface. the rocket's engines give the rocket an upward acceleration so it moves with acceleration of 16.0 m/s2 during the time t that they fire. after the engines shut off, the rocket is in free fall. ignore air resistance.

State the right hand rule of the direction of magnetic field in a conductor carrying current

(**i would really appreciate if this was answered soon** ) which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?