Question

if a = 5m/s^2,t=2sec,v=20m/s then u=
?
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Answer 1

Answer:

u = 10m/s

Explanation:

Given,

v = 20m/s

t = 2sec

a = 5m/s²

u = ?

Apply the value of v, t and a in the equation v = u + at then,

v = u + at

20 = u + 5 × 2

20 = u + 10

u = 20 - 10

∴ u = 10m/s

"HOPE IT HELPS"