Can someone check my answers
when a skydiver jumps from an airplane, the distance d in feet the diver falls in t seconds before opening the parachute is given by the formula d=16t2. the formula assumes that there is no air resistance. find the time it takes a skydiver to fall 1,551 ft before opening the parachute. round to the nearest tenth.
A: 9.7s
B: 9.8s
C: 9.9s
D: 2.5 s
Is the answer B?
the formula v = 64h can be used to find the velocity, v, in feet per second, of an object that has fallen h feet. find the velocity of an object that has fallen 75 feet. round to the nearest tenth
A: 6.9 ft/s
B: 69.2 ft/s
C: 69.4 ft/s
D: 69.3 ft/s
Is the answer D?
1 answer
See previous post: Thu, 11-12-15, 11:06 PM.
1 answer