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Two cars are moving with speed v(1), v(2...

Two cars are moving with speed `v_(1), v_(2)` towards a crossing along two roads. If their distance from the crossing be 40 metres and 50 metres at an instant of time then they do not collide if their speed are such that

A

`v_(1):v_(2)=16:25`

B

`v_(1):v_(2)ne4:5`

C

`v_(1):v_(2)ne5:4`

D

`v_(1):v_(2)ne25:16`

Text Solution

Verified by Experts

The correct Answer is:
B
समय `=("दूरी")/("चाल")`
`V_(1)` के लिए समय `=(40)/(V_(1))`
`V_(2)` के लिए समय `=(50)/(V_(2))`
अर्थात यदि `(40)/(V_(1))=(50)/(V_(2))` हो तो दोनों कारे एकहि समय क्रॉसिंग पर पहुँचेगी (यानि टक्कर होगी)
`therefore` टक्कर नहीं होने के लिए `(40)/(V_(1))ne(50)/(V_(2))`
`implies V_(1):V_(2)ne4:5`
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