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A car moving with a speed of 50 km h-1 can be stopped by brakes after atleast 6 m. If the same car is moving at a speed of 100 km h the minimum stopping distance is
- a)6 m
- b)12 m
- c)18 m
- d)24 m
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
A car moving with a speed of 50 km h-1can be stopped by brakes after a...
Understanding the Problem
- Given: Initial speed of the car = 50 km/h, Stopping distance at this speed = 6 m
- To find: Minimum stopping distance when the speed of the car is 100 km/h
Calculating the Deceleration
- When the car is moving at 50 km/h, it can be stopped in 6 m. This means the deceleration is constant.
- Using the formula v^2 = u^2 + 2as, where v is final velocity (0 m/s), u is initial velocity, a is acceleration, and s is distance, we can calculate the deceleration at 50 km/h.
Calculating the Minimum Stopping Distance at 100 km/h
- Now that we have the deceleration at 50 km/h, we can use it to calculate the minimum stopping distance at 100 km/h.
- Using the same formula v^2 = u^2 + 2as, with u = 100 km/h and a calculated deceleration, we can find the minimum stopping distance at 100 km/h.
Answer
- The correct option is (d) 24 m, as calculated in the previous step. At 100 km/h, the car would require a minimum stopping distance of 24 m.
- Given: Initial speed of the car = 50 km/h, Stopping distance at this speed = 6 m
- To find: Minimum stopping distance when the speed of the car is 100 km/h
Calculating the Deceleration
- When the car is moving at 50 km/h, it can be stopped in 6 m. This means the deceleration is constant.
- Using the formula v^2 = u^2 + 2as, where v is final velocity (0 m/s), u is initial velocity, a is acceleration, and s is distance, we can calculate the deceleration at 50 km/h.
Calculating the Minimum Stopping Distance at 100 km/h
- Now that we have the deceleration at 50 km/h, we can use it to calculate the minimum stopping distance at 100 km/h.
- Using the same formula v^2 = u^2 + 2as, with u = 100 km/h and a calculated deceleration, we can find the minimum stopping distance at 100 km/h.
Answer
- The correct option is (d) 24 m, as calculated in the previous step. At 100 km/h, the car would require a minimum stopping distance of 24 m.
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A car moving with a speed of 50 km h-1can be stopped by brakes after atleast 6 m. If the same car is moving at a speed of 100 km h the minimum stopping distance isa)6 mb)12 mc)18 md)24 mCorrect answer is option 'D'. Can you explain this answer? for NEET 2026 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about A car moving with a speed of 50 km h-1can be stopped by brakes after atleast 6 m. If the same car is moving at a speed of 100 km h the minimum stopping distance isa)6 mb)12 mc)18 md)24 mCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A car moving with a speed of 50 km h-1can be stopped by brakes after atleast 6 m. If the same car is moving at a speed of 100 km h the minimum stopping distance isa)6 mb)12 mc)18 md)24 mCorrect answer is option 'D'. Can you explain this answer?.
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