Question

If displacement S=2t^2 + 4t - 4 then velocity at t=1s will be? In(m/s)​

Answer 1

Answer:

velocity will be 2m/s

Explanation:

S = 2t^2 + 4t - 4

t = 1s

put the value of t in S

so , S = 2×1^2+4×1-4

S = 2+4-4

S = 2 m

Velocity = S / t

= 2/1

= 2 m/s

Answer 2

Answer:

This is the ans

Explanation:

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