Superguy is flying at treetop level near Paris when he sees the Eiffel Tower elevator start to fall (the cable snapped) .His x-ray vision tells him Lois LaTour is inside.If Superguy is 1.00 km away from the tower,and the elevator falls from a height of 2.1 × 102 m,how long does Superguy have to save Lois,and what must be his average speed?
A) 4.5 s,200 m/s
B) 6.5 s,150 m/s
C) 7.0 s,140 m/s
D) 9.0 s,110 m/s
Correct Answer:
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