If a car starts at rest and accelerates to 40 m/s in a time of 10 s. What is the acceleration of the car?
\large acceleration=\frac{v_{final}-v_{initial}}{time}
a
4 m/s
b
-4 m/s2
c
4 m/s2
d
400 m/s
The formula for acceleration is:
acceleration = (final velocity - initial velocity) / time
Given that the initial velocity (v_initial) is 0 m/s, the final velocity (v_final) is 40 m/s, and the time (t) is 10 s, we can substitute these values into the formula:
acceleration = (40 m/s - 0 m/s) / 10 s
= 40 m/s / 10 s
= 4 m/s^2
Therefore, the correct answer is c) 4 m/s^2.