A bullet with a velocity of 30 ms^(−1) after pentrating a 6 cm whole tree the velocity is reduced by one−third and then the bullet travels for 1s more. Will the bullet penetratee th tree? Analyze mathematically.


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Question Number 192257 by Tomal last updated on 13/May/23

$A bullet with a velocity of 30 {ms}^{- 1} after$ $pentrating a 6 c m whole tree the velocity is$ $reduced by one - third and then the bullet$ $travel s for 1 s more .$ $W i l l the bullet penetratee$ $th tree ? Analyze mathematically .$
Commented by deleteduser1 last updated on 13/May/23

$M a y b e i t s h o u l d b e ‘ ‘ . . . a f t e r h i t t i n g a 6 c m . . .^{″}$
Commented by Tinku Tara last updated on 13/May/23

$question is not clear . probably issue$ $with translation$
Commented by deleteduser1 last updated on 16/Oct/23

$T h e v e l o c i t y o f t h e b u l l e t r e d u c e s t o 20 {m s}^{- 1}$ $a f t e r h i t t i n g . T h i s i m p l i e s i t t r a v e l s a d i s t a n c e$ $o f 20 m a f t e r 1 s (a s s u m i n g t h e s p e e d w a s$ $c o n s t a n t) . . S u p p o s e t h e b u l l e t s t o p p e d a f t e r 1 s$ $v = u + a t \Rightarrow 0 = 20 + a \Rightarrow a = - 20 {m s}^{- 2}$ $s = u t + \frac{{a t}^{2}}{2} = 20 - 10 = 10 m .$ $S i n c e 20 m > 10 m > 6 c m, t h e b u l l e t p e n e t r a t e s$ $t h e t r e e i n b o t h c a s e s .$
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