Multiple Choice
The acceleration due to the Earth's gravity, in English units, is 32 ft/s2. In the absence of air friction, a ball is dropped from rest. Its speed on striking the ground is exactly 60 miles/hr. For what time interval was the ball falling? (There are 5280 feet in one mile.)
A) 5 s
B) 6.1 s
C) 4.125 s
D) 2.75 s
Correct Answer:
Verified
Correct Answer:
Verified
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