Area under a $v -t$ graph represents a physical quantity which has the unit
$m^2$
$m^3$
$m$
$ms^{-1}$
The given area represents displacement. Unit of displacement is meter.
A cyclist driving at $36\, km h^{-1}$ stops his cycle in $2\, s$ by the application of brakes. Calculate $(i)$ retardation $(ii)$ distance covered during the application of brakes.
Slope of a velocity -time graph gives
The brakes applied to a car produce an acceleration of $6\, m s ^{-2}$ in the opposite direction of motion. If the car takes $2\, s$ to stop after the application of the brakes, calculate the distance it travels during this time.
Study the given graph and answer the following questions
$(i)$ Which part of the graph shows accelerated motion ?
$(ii)$ Which part of the graph shows retarded motion ?
$(iii)$ Calculate the distance travelled by the body in first $4$ seconds of journey graphically.
Write true or false for the following statements
Kinematics deals with the motion of non$-$living objects without taking into account the cause of their motion.
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