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CBSE Class 9 Answered

a police jeep is chasing a culprit ......
Asked by architsrivastava02 | 11 May, 2010, 05:39: PM
Expert Answer

Dear student,

first  converting the  speed  into  m/s  by  multiplying  with  5/18  so,  it  comes  out  to  be  25m/s  of  jeep  and  20m/s  of  bike.  now  when  the  jeep  reaches  the  turning  point  in  10 sec  in  that time  the  biker  will  cover  the  distance  of  200mt  (  in  1sec  of  20mt  so,  in 10 sec  200mt)  then  after  time  t  sec 

t =200/5        gives   t = 40sec    now  distance  travelled  by  jeep  in  40sec  will  be  25  *  40  =  1000  mt  =  1  km

Hope this helps.

Team

Topperlearning.com

Answered by | 17 May, 2010, 11:36: AM
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