A car is moving with a constant aeceleration along a straight level road. The car is observed to cover two consecutive 450 m stretches in 20 scconds and 10 seconds respectively. Find 6. (a) the acceleration of the car, (b) velocity of the car 3 seconds before it entered the first stretch. At the end of the second stretch, the car is subjected to a retardation of magnitude 2r ms-2, where r is the distance of the car from the end of the second stretch. Find the further distance travelled by the car before coming to rest. CO

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Chapter1: Units, Trigonometry. And Vectors
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A car is moving with a constant aeceleration along a straight level road. The car is observed to cover two
consecutive 450 m stretches in 20 scconds and 10 seconds respectively.
Find
(a) the acceleration of the car,
(b) velocity of the car 3 seconds before it entered the first stretch.
At the end of the second stretch, the car is subjected to a retardation of magnitude 2x ms-2, where r is
the distance of the car from the end of the second stretch. Find the further distance travelled by the car
before coming to rest.
CÒ
6.
Transcribed Image Text:A car is moving with a constant aeceleration along a straight level road. The car is observed to cover two consecutive 450 m stretches in 20 scconds and 10 seconds respectively. Find (a) the acceleration of the car, (b) velocity of the car 3 seconds before it entered the first stretch. At the end of the second stretch, the car is subjected to a retardation of magnitude 2x ms-2, where r is the distance of the car from the end of the second stretch. Find the further distance travelled by the car before coming to rest. CÒ 6.
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