Mt. Everest is more than 8 000 m high. How fast would an object be moving if it could free fall to sea level after being released from an 8 000-m elevation? (Ignore air resistance.)
a. 396 m/s
b. 120 m/s
c. 1 200 m/s
d. 12 000 m/s
Question 2
Maria throws two stones from the top edge of a building with a speed of 22 m/s. She throws one straight down and the other straight up. The first one hits the street in a time t1 . How much later is it before the second stone hits?
a. 5.5 s
b. 4.5 s
c. 3.5 s
d. 6.5 s
e. Not enough information is given to work this problem.
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