9th frnds plz help
What is an acceleration and displacement
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Answer:
Acceleration is the rate of change of velocity.
SI unit= m/s sq (metre per second square)
Displacement is the distance between the initial and final positions of an object.
SI unit= m (metre)
Acceleration = VELOCITY/ TIME
Displacement= DISTANCE/ TIME (Distance is the difference between final and initial positions)
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ACCELERATION - its is the rate of change of velocity in per unit of time
Acceleration = change in velocity / time
(A = V/T)
DISPLACEMENT - it is the distance between the final position of the object and the initial position of the object
- (if the object started from A and stoped at A then the displacement is 0 but the distance covered is X) [case 1]
- (if the object starts from A and stops at B distance between AB is 10km then displacement is 10 km ) [case 2]
- (if the object starts from A goes to B and comes to C then displacement will be AC NOT ABC)[case 3]
displacement formula is
s = ut+ 1/2 at²
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