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acar that had stopped at the traffic light started at acceleration of 2 m/s2.at the same time atruk overtook the car at aconstant velocity 10 m/s a) after how many meters will the car be beside the truk? b)what will the velocity of the car be when it overtook by the truk?

acar that had stopped at the traffic light started at acceleration


of 2 m/s2.at the same time atruk overtook the car at aconstant


velocity 10 m/s                                                       


a) after how many meters will the car be beside the truk?


b)what will the velocity of the car be when it overtook by the


truk?

Grade:12

1 Answers

AKASH GOYAL AskiitiansExpert-IITD
419 Points
10 years ago

Dear Student

For car

initial velocity at t=0 is uc=0 and acceleration ac=2

For truck

initial velocity at t=0 is ut=10 and acceleration at=0

they will meet when Sc=St

uct + act2/2=utt + att2/2

0 + 2t2/2=10t + 0

t=10 sec

(a) Sc=act2/2=2*102/2 = 100m

(b) Vc=uc + act = 0 + 2*10=20 m/s

 

All the best.                                                           

AKASH GOYAL

AskiitiansExpert-IITD

 

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