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AnnZ [28]
3 years ago
13

Leyla drops a penny from a height of 150 m. How long will it take the penny to hit the ground?

Mathematics
1 answer:
Setler79 [48]3 years ago
6 0
The h(t) at a certain period when the penny is dropped in the ground is zero. Substituting the known values in the equation will give us an expression of,
                                   0 = -4.9t² + 0 + 150
v₀ is zero in the assumption that the dropping is free. Solving for t of the equation,
                                          t = 5.53 seconds 
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