Question

a body is projected with a velocity 60 m/s at 30° to horizontal. it's initial velocity vector is the displacement after 2s​

Answer 1

Explanation:

here u=60m/s,$=30°,a=10m/s²,t=2s

ucos$=60×√3/2=30√3

usin$=60×1/2=30

St=usin$×t-1/2at²

=60×2-1/2×10×4

=120-20=100

Displacement =100m