Question

a car has an acceleration of of 5 m/s2. . what will be its velocity 10 s after the start?​

Answer 1

Answer:

50 m/s

Explanation:

Let’s review the 4 fundamental kinematic equations of motion for constant acceleration (strongly recommend you commit these to memory – they will serve you well):

s = ut + ½at^2 …. (1)

v^2 = u^2 + 2as …. (2)

v = u + at …. (3)

s = (u + v)t/2 …. (4)

where s is distance, u is initial velocity, v is final velocity, a is acceleration and t is time.

In this case, we know u = 0, a = 5m/s^2, t = 10s and we want to calculate v, so we use equation (3)

v = u + at

v = 0 + 5(10) = 50

The final velocity is 50m/s

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Answer 2

Answer:

I hope this will help you thank you