What would happen to the planets in the solar system if the sun’s gravitational force were to suddenly disappear?
a) they will stop spinning.
b) they will fly away in straight lines.
c) they will start moving toward the sun.
d) they will stop moving and become static.

Which statement best describes how private industry decides where to spend the money on research and development

Ahypothesis is? close agreement by competent observers of observations of the same phenomena. a guess that has been tested over and over again and always found to be true. an educated guess that has yet to be proven by experiment. the long side of a right triangle. a synthesis of a large collection of information that includes guesses.

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?