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What is a race car average acceleration if its speed changes from 0 ms to 40 ms in 4 seconds?
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What is the average acceleration between 0 seconds and 4 seconds?
what is the change in speed or velocity? average acceleration will be change in speed or velocity divided by time taken (4 seconds in ur case)
Why at a constant speed if an object changes its direction it is considered to be acceleration?
Acceleration is a direction plus a speed. If either changes then the acceleration changes.
Hits a speed of 50 m s after 5 seconds what is his rate of acceleration?
If he started out from "rest" (zero speed), then his average acceleration for the 5 seconds is50/5 = 10 meters per second2
Is acceleration the same as speed?
Acceleration is the rate that speed changes.
If a cars velocity changes from 0 ms to 30 ms 10 seconds later its average acceleration is?
Acceleration = (change in speed) / (change in time) = (30 m/s) / (10 sec) = 3 meters per second2
What changes if someones speed or direction changes?
The acceleration changes if speed or direction changes
How do you calculate time with speed and acceleration?
Average acceleration = Change in speed/time so Time = Change in speed/Average acceleration
What is the rate at which speed or direction changes?
Acceleration
What is was the average rate of yards gained from 90 seconds to 120 seconds?
You haven't mentioned distances or speed or acceleration, so this cannot be answered.
How does speed interact with acceleration?
Acceleration is the rate at which speed changes, at least scalarly.
How velocity different from speed?
Velocity is acceleration and direction put together. The velocity of something changes if either acceleration or direction changes. Speed is just the average MPH measure. Velocity is not acceleration and direction put together. In that kind of description, velocity is is speed and direction put together. Velocity is a vector, whose size is the speed.
What would the acceleration be if it took 10 seconds to go from 8ms to 18ms and why?
Divide the difference in speed by the time it takes. This will give you the average acceleration for that time period.
