A racing car (at rest) accelerates uniformly from the starting grid on the race track and reaches a top velocity of 30 m/s after 5 seconds. For the next 4 seconds the acceleration is 0m/s2 and finally the car decelerates (brakes) at 4 m/s2 for 5 seconds.
Draw a Velocity- Time graph (with time on the x-axis).
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Answer:
30 answer
Explanation:
30÷5=6×4=24÷2=12÷4=3×10=30
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