find the modulus of the resultant of the velocities 10ms-1 and 8ms-1 inclined at an angle of 60 degree

Answer 1

z^2 = 10^2 + 8^2 - 2*10*8 cos120°

Answer 2

Find the modulus of the resultant of the velocities 8m5 and 6m5 inclined at an angle of 60