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a car moving with a velocity of 10m/s can be stopped by the application of a constant force F in a distance of 20m. if the velocity of the car is 30m/s. it can be stopped by the force in (a) 20/3m (b)20m (c)60m (d)180m (which is the correct answer for this above question )
Most Upvoted Answer
a car moving with a velocity of 10m/s can be stopped by the applicatio...
v² = u² – 2asv = 0 so u² = 2as s = u²/2aas acceleration is sames is proportional to u²s/20 = (30)² / (10)²s/20 = 9s= 20*9 = 180m
Community Answer
a car moving with a velocity of 10m/s can be stopped by the applicatio...
Cleary we can find acceleration of it by eqn. then just use it in second given eqn so correct ans is d
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a car moving with a velocity of 10m/s can be stopped by the application of a constant force F in a distance of 20m. if the velocity of the car is 30m/s. it can be stopped by the force in (a) 20/3m (b)20m (c)60m (d)180m (which is the correct answer for this above question )
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