1.

A ball is thrown up with a speed of 15 M per second how high will it go before it begin to falls. (g is equal to 9.8)

Answer»

U = 15 m/s

v = 0 m/s

a = - 9.8 m/s²

s = ?

v² = u² + 2as

= 0 = 225 - 9.8 * 2 * s

= 225 = 9.8*2*s

= s = 225 * 10 / 196

= 11.47 m




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