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A trolley of mass 20 Kg carries 5 kg grain and moves on a horizontal, smooth and straight track at 20 m s-1. If the grain starts leaking out of a hole at the bottom at time t = 0, at rate 0.2 kg m s-1 the speed of the trolley at t = 10 s will be nearest to A) 20 m s-1 B) 25 m s-1 C) 15 m s-1 D) 13.3 m s-1 pls solve this problem...........
Dear student, Its a conservation of momentum problem. Momentum of trolley= momentum of grains On solving we get the answer to be 15 m/s. Please feel free to ask your queries here. We are all IITians and here to help you in your IIT JEE preparation. All the best. Win exciting gifts by answering the questions on Discussion Forum. So help discuss any query on askiitians forum and become an Elite Expert League askiitian. Now you score 5+15 POINTS by uploading your Pic and Downloading the Askiitians Toolbar respectively : Click here to download the toolbar.. Askiitians Expert Sagar Singh B.Tech, IIT Delhi
Dear student,
Its a conservation of momentum problem.
Momentum of trolley= momentum of grains
On solving we get the answer to be 15 m/s.
Please feel free to ask your queries here. We are all IITians and here to help you in your IIT JEE preparation. All the best. Win exciting gifts by answering the questions on Discussion Forum. So help discuss any query on askiitians forum and become an Elite Expert League askiitian. Now you score 5+15 POINTS by uploading your Pic and Downloading the Askiitians Toolbar respectively : Click here to download the toolbar.. Askiitians Expert Sagar Singh B.Tech, IIT Delhi
Please feel free to ask your queries here. We are all IITians and here to help you in your IIT JEE preparation.
All the best.
Win exciting gifts by answering the questions on Discussion Forum. So help discuss any query on askiitians forum and become an Elite Expert League askiitian.
Now you score 5+15 POINTS by uploading your Pic and Downloading the Askiitians Toolbar respectively : Click here to download the toolbar..
Askiitians Expert
Sagar Singh
B.Tech, IIT Delhi
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