Explain the Velocity and Acceleration ?
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Answer / guest
Rest and motion:-A body is said to be at rest when it does
not change its position with respect to its surrounding
objects or when it dies not change its position with time
The body is said to be in motion when it changes its
position with respect to a fixed point or time. Rest and
motion are relative.
Speed:-The rate of change of position of a body is called
speed does not refer to any direction. It is measured by the
distance traveled per unit time
Velocity:- It is the rate of change of position in a
particular direction. It has both direction and magnitude.
It is measured by the distance traveled per unit time in a
given direction. Unit of the both speed and velocity are
expressed as cm.per second. ,m. per second .km/hr. or mile/hour.
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Answer / praveen
velocity: when the object travelled specifed distance and
direction at the time.
acceleration: when the object travelled in specified
direction but it changes in speed according to time.
| Is This Answer Correct ? | 2 Yes | 2 No |
Answer / lavanya
The rate of change of distance is known as velocty .It has got both magnitude and direction.
the rate of change of velocity is known as acceleration.it is a scalar quantity
| Is This Answer Correct ? | 2 Yes | 2 No |
Answer / mrinal
VELOCITY:-It is simply the rate of change of displacement.
Where displacement means the shortest distance between two
points.It is a vector qantity.It is completely different
from speed.But the both have same unit i.e. metre/second.
ACCELERATION:-It is the rate of change of velocity.It is
also a vector quantity.It's unit is velocity/second.
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Answer / shankar
Velocity: The rate of change of displacement or momentum
with respect to time.
Acceleration: The change in velocity with resect to time.
| Is This Answer Correct ? | 0 Yes | 1 No |
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