Question

A cart rolling down an incline for 5.0 seconds has an acceleration of 4.0 m/s .If the cart has an initial speed of of 2.0 m/s ,what’s its final speed.

Answer 1

Applying

v=u+a.t

(all the symbols are bearing their conventional meaning)

Here,u=2ms−1,t=5,a=4ms−2

So,v=2+4⋅5=22ms−1

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Answer 2

Answer:

22m/s

Explanation:

V = u + at

= 2 + ( 4x5)

= 2 + 20

= 22m/s