Distinguish between the terms speed and velocity.
(N/A) Speed is defined as the rate of change of distance with respect to time. It is a scalar quantity,meaning it has only magnitude and no direction. It is always positive.
Velocity is defined as the rate of change of displacement with respect to time. It is a vector quantity,meaning it has both magnitude and direction. It can be positive,negative,or zero depending on the direction of motion.
Velocity is defined as the rate of change of displacement with respect to time. It is a vector quantity,meaning it has both magnitude and direction. It can be positive,negative,or zero depending on the direction of motion.
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Similar Questions
Draw displacement-time graphs for the following situations:
$(i)$ When a body is stationary.
$(ii)$ When a body is moving with uniform velocity.
$(iii)$ When a body is moving with variable velocity.
$(i)$ When a body is stationary.
$(ii)$ When a body is moving with uniform velocity.
$(iii)$ When a body is moving with variable velocity.
Medium
View Solution$(a)$ Write differences between speed and velocity.
$(b)$ The speed of a moving object is $x \ m \ s^{-1}$. Its velocity is $y \ m \ s^{-1}$. What is the similarity observed?
$(b)$ The speed of a moving object is $x \ m \ s^{-1}$. Its velocity is $y \ m \ s^{-1}$. What is the similarity observed?
Easy
View SolutionWhat can you say about the motion of an object whose distance-time graph is:
$(i)$ a straight line,parallel to the time axis?
$(ii)$ a straight line passing through the origin making an angle with the time axis?
$(i)$ a straight line,parallel to the time axis?
$(ii)$ a straight line passing through the origin making an angle with the time axis?
Medium
View Solution$A$ motorcyclist drives from $A$ to $B$ with a uniform speed of $30\, km\, h^{-1}$ and returns back with a speed of $20\, km\, h^{-1}$. Find its average speed (in $km\, h^{-1}$).
Medium
View SolutionState whether the following statement is true or false:
$A$ motion is said to be uniform if a body undergoes equal displacements in equal intervals of time.
$A$ motion is said to be uniform if a body undergoes equal displacements in equal intervals of time.
Easy
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