A car decelerates from 20 m/s to 10 m/s. Which of the following statements is true? A) No net torque acts on the wheels at all.
B) You cannot tell from the information given.
C) A net torque acts on the wheels in their direction of motion.
D) A net torque acts on the wheels opposite their direction of motion.

Identify the correct relation showing that the radius r of the orbit of a moon of a given planet can be determined from the radius r of the planet, the acceleration of gravity at the surface of the planet, and the time τ required by the moon to complete one full revolution about the planet. determine the acceleration of gravity at the surface of the planet jupiter knowing that r = 71 492 km and that t= 3.551 days and r= 670.9 × 10^3 km for its moon europa.