It is typically 30 km to 50 km thick.
Answer:
m v1 = (m + M) v2
v2 = m v1 / (m + M)
v2 = 7 * 74 / (74 + 65)
3.73 m/s
74 kg is too heavy for the cannonball (over 150 lbs)
increased with an increased current flow
Answer:
if the frequency is double, the wavelength is only half as long
Explanation: