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Banjit Das Grade: 11
        

a particle of mass 1kg has a velocity of 2m/s. a constant force of 2 N acts on the particle for 1s in a direction perpendicular to its initial veiocity. find the velocity and displacement of the particle at the end of 1 second.

6 years ago

Answers : (2)

AKASH GOYAL AskiitiansExpert-IITD
419 Points
										

Dear Banjit


See the pic for solution


 


 


All the best.


AKASH GOYAL


AskiitiansExpert-IITD


 


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1209_23499_Photo-0094.jpg

6 years ago
vikas askiitian expert
510 Points
										

let particle is moving along x axis and force is acting along y axis....


F=ma


a=F/m=(2m/s2 ) j          


v=2i                           (given)


for constant accleration we can use v=u+at and s=ut+at2 /2


after 1 sec


v=2i + 2j  = 2sqrt2 in magnitude


s=2i+ j = sqrt5 in magnitude

6 years ago
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