Question

A rabbit sees carrot to his right and starts jumping towards it with a velocity of 4.0meter per sec it speeds up to its maximum velocity of 13 meter per sec with a constant acceleration of 2.0 metre per sec square how long does it take for the rabbit to go from 4.0 metre per sec to 13.0 metre per square

Answer 1

4.5 s

Step-by-step explanation:

The initial velocity (u) = 4 m/s, the final velocity (v) = 13 m/s and the acceleration (a) = 2 m/s²

To calculate the time it takes the rabbit to go from 4.0 m/s to 13.0 m/s, we use the formula:

v = u + at

Substituting values to get:

13 = 4 + 2t

Subtracting 4 from both sides:

13 - 4 = 4 + 2t - 4

9 = 2t

Therefore, 2t = 9

Dividing through by 2

2t / 2 = 9 / 2

t = 4.5 s

Therefore it takes the rabbit 4.5 seconds to go from 4.0 m/s to 13.0 m/s

Answer 2

4.5 sec

Step-by-step explanation:

Initial velocity u = 4 m/s

Final velocity v = 13 m/s

Acceleratiin a = 2 m/s^2

Using v = u + at

Where t is time

13 = 4 + 2t

13 - 4 = 2t

9 = 2t

t = 9/2 = 4.5 sec