Two particle A and B start moving with velocities 20m/s and 30√2 m/s along x axis and at an angle 45° with x axis respectively in xy_ plane from origin.The relative velocity if B w.r t A
please solve this question in details...
Answers
Answered by
13
here is the answer.
Attachments:
AmanRajSinghania:
thnx for 4 x thnx ;-)
can you explain me how we get cos135
cos 135 = cos (90+45) = - sin 45, negative since cos (90+theta) lies in second quadrnt where cos is negative
ok thanks
or use cos(A+B) formula
wlcm x 4
Similar questions