a sprinter accelerates from rest to 10.0 m's in 1.35 s. what is her acceleration in m/s^2
acceleration = change in velocity / change in time
so..
a = 10 - 0 / 1.35
a = 7.41 m/s^2
Just to add and subtract for ur homework init
To find the acceleration, we can use the following formula:
acceleration = (final velocity - initial velocity) / time
In this case, the initial velocity is 0 m/s (since the sprinter starts from rest), the final velocity is 10.0 m/s, and the time is 1.35 seconds.
acceleration = (10.0 m/s - 0 m/s) / 1.35 s
acceleration = 10.0 m/s / 1.35 s
acceleration ≈ 7.41 m/s^2
Therefore, the acceleration of the sprinter is approximately 7.41 m/s^2.
Acceleration can be calculated using the formula:
acceleration = (final velocity - initial velocity) / time
In this case, the final velocity is 10.0 m/s, the initial velocity is 0 m/s (as the sprinter starts from rest), and the time is given as 1.35 s.
Let's substitute these values into the formula:
acceleration = (10.0 m/s - 0 m/s) / 1.35 s
Now, simply divide the difference in velocity (10.0 m/s - 0 m/s = 10.0 m/s) by the time (1.35 s):
acceleration = 10.0 m/s / 1.35 s
Using a calculator, the result is:
acceleration ≈ 7.41 m/s^2
Therefore, the sprinter's acceleration is approximately 7.41 m/s^2.