determine the escape speed for the rocket from the planet–satellite system. the radius of ganymede is 2.64 106 m, and its mass is 1.495 1023 kg. the distance between jupiter and ganymede is 1.071 109 m, and the mass of jupiter is 1.90 1027 kg. ignore the motion of jupiter and ganymede as they revolve about their center of mass.

Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.

Diverging mirrors and lenses always produce images

The basketball coach tells his team to run sprints back and forth across the court, which is 30 m long. they start at the left end of the court, run back and forth 6 times, then end back at the left end of the court where they began. what distance did they run? what is their displacement?