Homework Statement
Question 1:During a walk on the Moon, an astronaut accidentally drops his camera over a 13.8 m cliff. It leaves his hands with zero speed, and after 2.2 s it has attained a velocity of 3.3 m/s downward. How far has the camera fallen after 3.9 s?
Question 2: A stone is...
Homework Statement
Consider two masses m1 and m2 connected by a thin string.
Assume the following values m1 = 5kg, m2 = 1 kg. Ignore friction and mass of the string.
The two blocks are connected by a thin string, which m2, hangs down freely, while the other is on a flat surface. There is...
Homework Statement
Find the altitudes above the Earth's surface where Earth's gravitational field strength would be (a) two-thirds and (b) one-third of its value at the surface. [Hint: First find the radius for each situation; then recall that the altitude is the distance from the surface to a...