Question

17. A person takes out a coin from his pocket and drops it from a height of 1.6 m with that be about a) 6.6 m/s b) 5.6 m/s c) 4.6 m/s d) 3.6 m/s
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Answer 1

Answer:

6.6m/s is the corroct answer

Step-by-step explanation:

because it is hight of a person

Answer 2

Answer: b) 5.6 m/s

Step-by-step explanation:

$s = 1.6 m/s\\a = 9.8 m/s^2\\u = 0\\v = ?\\v^2 = u^2 + 2as\\\\v^2 = 0^2 + 2 (9.8) (1.6)\\v^2 = \frac{3136}{100} \\v = \sqrt{\frac{3136}{100} } \\v = \frac{56}{10} \\v = 5.6 m/s$