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a 11.7 ft wide ditch with the approach roads at an angle of 15 with the horizontal. with what minimum speed should a motorbike be moving on the road so that it safely cross the ditch? assume that the lenght of the bike is 5ft and it leaves the road when the afront part runs out of the approach road

a 11.7 ft wide ditch with the approach roads at an angle of 15 with the horizontal. with what minimum speed should a motorbike be moving on the road so that it safely cross the ditch? assume that the lenght of the bike is 5ft and it leaves the road when the afront part runs out of the approach road

Grade:9

2 Answers

shivam kapoor
14 Points
9 years ago

 

25 ft/s(approx.)

Chetan Mandayam Nayakar
312 Points
9 years ago

let minimum speed=v

(v^2)sin30/g=16.7

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