Question

Given that V = 5+8t (In SI units) the final velocity after 5 sec is

Answer 1

Answer:

v=5+8t

(t=5secs)

v=5+8×5

v=5+40

v=45m/s

Answer 2

The final velocity after 5 sec is 45 m/s

Given :

V = 5 + 8t ( In SI units )

To find :

The final velocity after 5 sec

Solution :

Step 1 of 2 :

Write down the given equation

Here the velocity is given by

V = 5 + 8t

Step 2 of 2 :

Find final velocity after 5 sec

V = 5 + 8t

Putting t = 5 we get

V = 5 + ( 8 × 5 ) = 5 + 40 = 45

Since units are SI units

Hence final velocity after 5 sec is 45 m/s

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