Question

A car is starting from rest and move with a constant and acceleration of 2m/ s for 10s .Find the final speed

Answer 1

Answer:

Explanation:

GIVEN:

acceleration=2m/s      (a)

time             =10s         (t)

TO FIND:

final velocity(v)

SOLUTION:

from the first equation of motion...

[v=u+at]

initial speed=0           (u)

substitute v,u,at to the formula...

v=0+(2*10)

v=0+20

v=20

final speed=20m/s

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