In niels bohr’s model of the atom, electrons move (1 point)like balls rolling down a hill.
like planets orbiting the sun.
like popcorn in a popcorn popper.
like beach balls on water waves.

Alarge cruise ship of mass 7.00 ✕ 107 kg has a speed of 11.6 m/s at some instant. (a) what is the ship's kinetic energy at this time? (b) how much work is required to stop it? (give the work done on the ship. include the sign of the value in your answer.) (c) what is the magnitude of the constant force required to stop it as it undergoes a displacement of 3.00 km?