March 1, 2017

Homework Help: physics

Posted by brandon on Thursday, June 10, 2010 at 9:49pm.

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 122.5 m, how long does Superguy have to save Lois, and what must be his average speed?
A) 3.00 s, 333 m/s
B) 5.00 s, 200 m/s
C) 7.00 s, 143 m/s
D) 9.00 s, 111 m/s
E) 10.0 s, 96.0 m/s

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