Figure A and B show the speed- time graphs of two cars A and B respectively. Using these graphs answer the following questions:
(i) What is the acceleration of the car A and car B in the first two hours, the next two hours and in the last two hours?
(ii) What is the total distance traveled by two cars?
(iii) What is the average speed of two cars?
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Explanation:
(1) I) Acceleration of car (a) in first two hours is 30km
Acceleration of car (b) in first two hours is 40km
II) Acceleration of car (a) in next two hours is 60km
Acceleration of car (b) in next two hous is 40km
III ) Acceleration of car (a) in last two hour is 30km
Acceleration of car (b) in last two hour is 0 km ( or at rest )
(2) Total distance travelled by car (a) is 60 km
Total distance travel by car (b) is 40 km
(3) The average speed of car (a) is 30 km
The average speed of car (b) is 40 km
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