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GeometryQuestion and Answers: Page 50

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two parallel paths 26m apart run east−west through the woods. one person east on one path at 3 kmph and another west on other path at 4 kmph. if they pass each other at time t =0 , i)how far apart are they 8 sec later? ii) how fast is the distance between them changing at that mlment? iii)find the distance L between them at 8 sec and (dL/dt)?

$t w o p a r a l l e l p a t h s 26 m a p a r t r u n$ $e a s t - w e s t t h r o u g h t h e w o o d s .$ $o n e p e r s o n e a s t o n o n e p a t h a t$ $3 k m p h a n d a n o t h e r w e s t o n o t h e r$ $p a t h a t 4 k m p h . i f t h e y p a s s e a c h$ $o t h e r a t t i m e t = 0,$ $i) h o w f a r a p a r t a r e t h e y$ $8 s e c l a t e r ?$ $i i) h o w f a s t i s t h e$ $d i s t a n c e b e t w e e n t h e m c h a n g i n g$ $a t t h a t m l m e n t ?$ $i i i) f i n d t h e d i s t a n c e L$ $b e t w e e n t h e m a t 8 s e c a n d \frac{d L}{d t} ?$

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suppose you drop a tennis ball from a hieght of 15 feet.after the ballhits the floor it rebounds to85% of its previous height.how high will the ball rebound after its ghird bounce round tl the nearest tenth

$s u p p o s e y o u d r o p a t e n n i s b a l l f r o m a h i e g h t o f 15 f e e t . a f t e r t h e b a l l h i t s t h e f l o o r i t r e b o u n d s t o 85 % o f i t s p r e v i o u s h e i g h t . h o w h i g h w i l l t h e b a l l r e b o u n d a f t e r i t s g h i r d b o u n c e r o u n d t l t h e n e a r e s t t e n t h$

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