Answer:
Halley's comet will next appear in the night sky in the year 2062. It orbits the sun every 75-76 years, so this is the time between appearances.
Momentum = (mass) x (speed)
= (0.4 kg) x (45 m/s)
= 18 kg-m/s in the direction from the mound to the plate.
Answer:
The answer is C
Explanation:
The radius is HALF of the diameter...so you would have to find a dividing "2". :)
