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Two balls of same mass are thrown horizontally from top of a tower in the opposite direction with velocities 3 and 4m/s. the dis. b/w walls when their velocities are mutually prependicular will be

Two balls of same mass are thrown horizontally from top of a tower in the opposite direction with velocities 3 and 4m/s. the dis. b/w walls when their velocities are mutually prependicular will be

Grade:10

1 Answers

Arun Kumar IIT Delhi
askIITians Faculty 256 Points
9 years ago
Hello Student,
v1=3i-gtj
v2=-4i-gtj
v1.v2=0 for 90 deg
=>-12+g^2t^2=0
=>gt=root12
=>t=root(12) /10
=>dis = 7 *root(12)/10

Thanks & Regards
Arun Kumar
Btech, IIT Delhi
Askiitians Faculty

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