noahjames04vns noahjames04vns

06-09-2020
Physics

contestada

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

Respuesta :

paul711 paul711

06-09-2020

Answer:

u = 39.2 m/s

Explanation:

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

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