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 2 years ago
A body looses half of its velocity while penetrating 3 cm into a wooden block, then how much will it penetrate more before finally coming to rest. Please explain
 2 years ago
A body looses half of its velocity while penetrating 3 cm into a wooden block, then how much will it penetrate more before finally coming to rest. Please explain

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pratyush5
 2 years ago
Best ResponseYou've already chosen the best response.0@ashwinjohn3 @yrelhan4 @uri

pratyush5
 2 years ago
Best ResponseYou've already chosen the best response.0i have got the answer but i want to know a proper method

yrelhan4
 2 years ago
Best ResponseYou've already chosen the best response.0newtons law of motion will do it for you!

pratyush5
 2 years ago
Best ResponseYou've already chosen the best response.0i used v^2  u^2 = 2as

pratyush5
 2 years ago
Best ResponseYou've already chosen the best response.0i just need to know what should i take for acceleration or should i ignore it

ashishthomas7
 2 years ago
Best ResponseYou've already chosen the best response.1u must find the acceleration dude....

ashwinjohn3
 2 years ago
Best ResponseYou've already chosen the best response.0Ok....Acceleration is negative since it is slowing down.....

ashishthomas7
 2 years ago
Best ResponseYou've already chosen the best response.1here v=u/2,and use the equation v^2=u^22as

ashishthomas7
 2 years ago
Best ResponseYou've already chosen the best response.1then u will get accelration

ashishthomas7
 2 years ago
Best ResponseYou've already chosen the best response.1then finally equate v=0,a=obtained from above and find s!!!

ashishthomas7
 2 years ago
Best ResponseYou've already chosen the best response.1since here the question asked is "how much more will it penetrate" initial velocity=u/2...

pratyush5
 2 years ago
Best ResponseYou've already chosen the best response.0i am getting a= u^2/8

pratyush5
 2 years ago
Best ResponseYou've already chosen the best response.0there fore the equation for finding "s" should bedw:1359144797548:dw right

ashishthomas7
 2 years ago
Best ResponseYou've already chosen the best response.1i got that too...

pratyush5
 2 years ago
Best ResponseYou've already chosen the best response.0correection dw:1359144893116:dw

yrelhan4
 2 years ago
Best ResponseYou've already chosen the best response.0yes.. i was wondering whats wrong. so s=4cm. it penetrates 1cm more.
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