Question

please solve both question step by step....

Answer 1

Answer:

this is the ans

Step-by-step explanation:

hope it will help

Answer 2

Hello dear

( a )

Position is given by X = 5t²

So we need velocity

For velocity we will need to differentiate X with respect to 't'

i,.e x = 5 * 2t = 10 t

at t = 3 sec

10 { 3 } m/s

10 × 3

30

( b )

x = At = 4 bt³

a = d² x / dx²

a t = 55cc

a = 24b×5

120 B m/s

Thankyou

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