contestada

A bike accelerates uniformly(from rest to a speed of 7 m/s over a distance of 40 m. Determine
the acceleration of the bike.
a
Uf - Vi
veldig
+

Respuesta :

Answer:

[tex]0.61 m/s^2[/tex]

Explanation:

The bike's acceleration can be found by using the following suvat equation:

[tex]v^2-u^2=2as[/tex]

where

v is the final velocity of the bike

u is the initial velocity

a is the acceleration

s is the distance covered

For the bike in the problem,

u = 0

v = 7 m/s

d = 40 m

Solving the equation for a, we find the acceleration:

[tex]a=\frac{v^2-u^2}{2s}=\frac{7^2-0}{2(40)}=0.61 m/s^2[/tex]