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Alex73 [517]
2 years ago
6

a body is projected vertically upward with velocity u returns to starting points in 4 sec find the value of u if g=10m/s

Physics
1 answer:
Lesechka [4]2 years ago
7 0

Answer:

u = 39.2 m/s

Explanation:

use v = u — gt. since g is negative upwards.

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