Author Question: An object weighs 300 N. If the gravitational constant G were half of what it is currently, what ... (Read 28 times)

Chloeellawright · **on:** Jul 28, 2018

An object weighs 300 N. If the gravitational constant G were half of what it is currently, what would the weight of the object be?
a. 300 N
b. 150 N
c. 75 N
d. 600 N
e. 450 N

Question 2

A planet has mass M = 8.00 1023 kg. The centripetal acceleration of an orbiting space station is equal to the gravitational acceleration on Earth's surface. What is the speed of the space station? (G = 6.67 1011 m3kg1s2)
a. 7.30 106 m/s
b. 5.34 1013 m/s
c. 1.10 1017 m/s
d. 1.20 1034 m/s