Asked by Stephen
A vehicle starts from rest and in 30s reaches a speed of 20m/s. Thereafter the speed remains steady for 15s and decreases steadily until it stops 5s.
i. Use the data provided to draw a velocity-time graph for the motion
ii. Calculate the acceleration during the first 30s
iii. What is the total distance covered by the vehicle
i. Use the data provided to draw a velocity-time graph for the motion
ii. Calculate the acceleration during the first 30s
iii. What is the total distance covered by the vehicle
Answers
Answered by
Anonymous
(i) the graph consists of three straight-line segments, where the slope of each section is the acceleration.
(ii) a = 20/30 m/s^2
the graph will show the answer to (iii)
(ii) a = 20/30 m/s^2
the graph will show the answer to (iii)
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