2 A body is projected downward at an angle of 30 degrees with the horizontal from the top of the building 170 m high. Its initial speed is 40 m/s. How long will it take before striking the ground? * 3.5 s 4.2 s 5.6 s 6.1 s None of the Above 2 170 m

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A body is projected downward at an angle of 30
degrees with the horizontal from the top of the
building 170 m high. Its initial speed is 40 m/s.
How long will it take before striking the ground? *
3.5 s
4.2 s
5.6 S
6.1 s
None of the Above
N
D
170 m
Transcribed Image Text:2 A body is projected downward at an angle of 30 degrees with the horizontal from the top of the building 170 m high. Its initial speed is 40 m/s. How long will it take before striking the ground? * 3.5 s 4.2 s 5.6 S 6.1 s None of the Above N D 170 m
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