Year 1972
if I'm not wrong :)
Answer:
False
Explanation:
ac = v^2/r
acceleration is not dependent on the mass of the orbiting object.
Set up a proportion
1 mile/1.6 km = 20,000miles/x
Cross Multiply
x = (20,000) * (1.6)
x = 32,000 kilometers
<span>A motor produces less mechanical energy than the energy it uses because the motor looses some energy to heat.</span>
Your answer is C) The speed of sound is higher in solids than in liquids.