Question

What is the acceleration of a skateboard whose speed changes from 5 km/h to 10km/h in 5 seconds

Answer 1

5000km/h^2

Explanation:

a = v - u /t

v = final speed 10km/h

u = initial speed 5km/h

t = time 5secs = 5/3600 = 0.001 hr

Therefore

a = 10 - 5 /0.001

= 5/0.001

= 5000km/h^2