Distance of fall from rest,
without air resistance = (1/2) (gravity) (time)²
= (1/2) (9.8 m/s²) (95 sec)²
= (4.9 m/s²) (9,025 sec²)
= 44,222.5 meters .
The depth of the mine shaft is five times the height of Mt. Everest !
Answer:
1. C. The change is easily reversible
2. A. a physical change
Explanation:
Happy Holidays
The statement can't be true. Objects with different masses held at the same height don't have the same gravitational potential energy.
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Period, T, is 1/frequency
T = 1/340 = 2.941ms