A body falls freely from rest. Find (a) its acceleration, (b) the distance it falls in 3 s, (c) its speed after falling 70 m, (d) the time required to reach a speed of 25 m/s, and (e) the time taken to fall 300 m.
a. 9.81 m/s2, 44.15 m, 37.06 m/s , 2.55 sec, 7.82 sec
b. 9.81 m/s2, 44.15 m, 47.06 m/s , 2.55 sec, 7.82 sec
c. 9.81 m/s2, 44.15 m, 57.06 m/s , 2.55 sec, 7.82 sec
d. 9.81 m/s2, 44.15 m, 67.06 m/s , 2.55 sec, 7.82 sec
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