A construction worker drops a hammer from a height of 25 m.

How long will it take the hammer to hit the ground?

Use the formula , where is the initial velocity and is the initial height.

Round to the nearest tenth of a second. Enter your answer in the box.

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Question

Mathematics

Alisson Porter

20 September, 08:54

A construction worker drops a hammer from a height of 25 m.

How long will it take the hammer to hit the ground?

Use the formula , where is the initial velocity and is the initial height.

Round to the nearest tenth of a second. Enter your answer in the box.

___s

+1

Answers (1)

Know the Answer?

Yamilet Hahn · Answer 1

V0 = 0 and h0 = 25. At the time the hammer hits the ground, the height of the hammer is 0. i. e. h (t) = 0

0 = - 4.9t^2 + 25

4.9t^2 = 25

t^2 = 25/4.9 = 5.10

t = sqrt (5.10) = 2.3 s.

A construction worker drops a hammer from a height of 25 m.How long will it take the hammer to hit the ground?Use the formula , where is the initial velocity and is the initial height.Round to the nearest tenth of a second. Enter your answer in the box.___s

A construction worker drops a hammer from a height of 25 m.

How long will it take the hammer to hit the ground?

Use the formula , where is the initial velocity and is the initial height.

Round to the nearest tenth of a second. Enter your answer in the box.

___s