what are displacement, distance, speed and velocity. Give examples also.
Answers
Answer:
Displacement -Displacement is the shortest distance between starting and finishing point.
Distance -Distance is the length of the actual path travelled by an object in motion while going from one point to another.
Speed -The distance travelled in one directions by an object in unit time is called its speed.
Velocity -the distance travelled in a particular directions by an object in unit time is called its velocity .
Explanation:
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Displacement may be defined as the shortest distance between the initial point and final points.Displacement is a vector quantity which has both magnitude and direction
Distance may be defined as the length of the actual path covered by a body in a time interval. Distance is a scaler quantity having magnitude only.
Speed may be defined as distance travelled by the body in unit interval of time. It is a scaler quantity.
Velocity may be defined as displacement of a body in unit time interval. It is a vector quantity.
Acceleration may be defined as the time -rate of change of velocity of an object .