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Acceleration is a direction plus a speed. If either changes then the acceleration changes.
Acceleration = delta velocity/delta time a = 70 m/s/35 seconds = 2 m/s2 ------------
Acceleration is the rate that speed changes.
The acceleration changes if speed or direction changes
Acceleration
Acceleration is the rate at which speed changes, at least scalarly.
Acceleration?
There's no necessary connection between a vehicle's speed and its acceleration.
No. Acceleration is change of velocity. It occurs when an object changes speed and/or direction.
The rate at which speed changes, and the direction in which it changes.
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)