Author Question: A satellite of mass M takes time T to orbit a planet. If the satellite had twice as much mass, the ... (Read 69 times)

karen · **on:** Jul 29, 2018

A satellite of mass M takes time T to orbit a planet. If the satellite had twice as much mass, the time for it to orbit the planet at the same altitude would be

A) 4T.
B) 2T.
C) T.
D) T/2.
E) T/4.

Question 2

A supersonic plane passes overhead at a speed of 500 m/s. If you hear the sonic boom (shock wave) 4.00 s after the plane is directly overhead, at what altitude is the plane flying? Assume the speed of sound in air is 340 m/s.

A) 1.36 km
B) 2.16 km
C) 1.85 km
D) 2.45 km
E) The plane is not flying fast enough to produce a shock wave.