4.Below is a sketch of the speed-time graph of a cyclist moving on astraight road over a 7 second period.v (ms)Calculate:520t(s)a) The acceleration for the first 3 secondsb) The distance covered by the cyclist over the 7 second period 5.A sprinter runs a race of 200 m.His total time for running the race is 20.32s.Below is a sketch of the speed-time graph for the motion of the sprinter.SpeedmetrespersecondCalculate:5Time (seconds)20.32a) The maximum speed of the sprinter during the raceb) The distance covered by the sprinter in the first 5 seconds of the race

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Description: 4.Below is a sketch of the speed-time graph of a cyclist moving on astraight road over a 7 second period.v (ms)Calculate:520t(s)a) The acceleration for the first 3 secondsb) The distance covered by the cyclist over the 7 second period 5.A sprinter r

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4. Below is a sketch of the speed-time graph of a cyclist moving on a straight road over a 7 second period. v (ms) Calculate: 5 2 3 t(s) a) The acceleration for the first 3 seconds b) The distance covered by the cyclist over the 7 second period

4. Below is a sketch of the speed-time graph of a cyclist moving on a straight road over a 7 second period. v (ms) Calculate: 5 2 3 t(s) a) The acceleration for the first 3 seconds b) The distance covered by the cyclist over the 7 second period

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Concept explainers

Displacement, Velocity and Acceleration

In classical mechanics, kinematics deals with the motion of a particle. It deals only with the position, velocity, acceleration, and displacement of a particle. It has no concern about the source of motion.

Linear Displacement

The term "displacement" refers to when something shifts away from its original "location," and "linear" refers to a straight line. As a result, “Linear Displacement” can be described as the movement of an object in a straight line along a single axis, for example, from side to side or up and down. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Linear displacement is usually measured in millimeters or inches and may be positive or negative.

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Question

4.
Below is a sketch of the speed-time graph of a cyclist moving on a
straight road over a 7 second period.
v (ms)
Calculate:
5
2
0
t(s)
a) The acceleration for the first 3 seconds
b) The distance covered by the cyclist over the 7 second period

5.
A sprinter runs a race of 200 m.
His total time for running the race is 20.32s.
Below is a sketch of the speed-time graph for the motion of the sprinter.
Speed
metres
per
second
Calculate:
5
Time (seconds)
20.32
a) The maximum speed of the sprinter during the race
b) The distance covered by the sprinter in the first 5 seconds of the race

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