The sprinter's acceleration is 2 meters per second squared.
There is no acceleration if the car is travelling at a steady 54,000 miles per hour.
(change in velocity)/(change in time)=avg. acceleration (-30 m/s)/(15s)= -2 m/s2
-6.667 miles per second squared
velocity = acceleration x time 27 = acceleration x 10 acceleration = 2.7 m/sec/sec
Magnitude of acceleration = (change in speed) / (time for the change) = 2/5 Acceleration = 0.4 meters per second2 north
There is no acceleration if the car is travelling at a steady 54,000 miles per hour.
1.2 divided by 2 seconds equals .6m/s... i think. acceleration without speeding is when you're going in circles, but you feel like you're going faster.
20 miles per second / 10 seconds = 2 miles per second ^ 2
(change in velocity)/(change in time)=avg. acceleration (-30 m/s)/(15s)= -2 m/s2
yes
~10.2 meters per second.
The sprinter's speed is 22.53 miles per hour.
You can't calculate the acceleration from the information provided. The object may be traveling at constant velocity, in which case the acceleration is zero; or it may start slowly end end up faster, or vice versa, in which case the acceleration will be non-zero.
-6.667 miles per second squared
In freefall, an object's velocity at a certain time can be calculated using the equation v(t)=a*t Where a=acceleration. On Earth's surface, acceleration due to gravity is equal to 9.8 m/s^2
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Just divide the speed difference by the time - a difference of 30 m/s, divided by 3 seconds, is equal to 10 m/s2.