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Archy [21]
3 years ago
7

When an object falls freely, the formula for the distance it falls is d= 4.9t^2 where d is

Mathematics
2 answers:
SVETLANKA909090 [29]3 years ago
4 0

Answer:

a) 122.5 meters

b) 10 seconds

Step-by-step explanation:

german3 years ago
3 0

Answer:

a) 122.5 m ; b) 10 s

Step-by-step explanation:

Just use the given equation and plug in what you know.

a)

d = 4.9t^2

d = 4.9(5^2)

d = 4.9 * 25

d = 122.5 m

b)

d = 4.9t^2

490 = 4.9t^2

100 = t^2

t = 10 s

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