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Two velocities of 2 cm/s act, simultaneously on a particle and are inclined at an angle of 60 degree with each other. their resultant has a magnitude of ??

Two velocities of 2 cm/s act, simultaneously on a particle and are inclined at an angle of 60 degree with each other. their resultant has a magnitude of ??

Grade:12

6 Answers

shiddhant bhattacharya
25 Points
8 years ago

underoot of 12

Vikas TU
14149 Points
8 years ago

 

Resultant has a magnitude of  = Underoot(2^2 + 2^2 + 2.2.2cos60'')

                                                       = Underoot(8 +8 x 1/2)

                                                       = Underoot(12)

                                                       = 2root3 m/s.

 

 

PLZ  APPROVE!

 
vivek kumar
57 Points
8 years ago

UNDER ROOT 12.

nitesh yadav
14 Points
8 years ago
sqrt(2^2+2^2+2*2*2cos60)sqrt(4+4+4)sqrt(12)
Roshan Mohanty
64 Points
8 years ago

root(2^2 + 2^2 + 2.2.2cos 60)
=root(12)
=2root(3) 

SOURAV MISHRA
37 Points
8 years ago

it is a simple case of vector addition.

the resultant velocity of the particle is 4cos(θ/2) = 2√3 cm/s.

this resultant velocity vector bisects the angle between the two individual velocities. 

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