What are two reasons why Hunter edjucation is important? 30 pts
1 answer:
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Answer:
g = 9.69 m/s²
Explanation:
given,
height from where ball is dropped = 800 cm = 8 m
impact velocity = 41 ft/s = 41 × 0.3048 = 12.45 m/s
acceleration due to gravity = ?
initial potential energy is given by
PE = m g h
= m g × 8
= 8 mg..............(1)
now final kinetic energy
=77.50 m.....................(2)
comparing equation (1) to (2)
8 mg = 77.50 m
g = 77.5/8
g = 9.69 m/s²