vx=40 м/с
vy=g*t=10*3=30 м/с
v=√(vx²+vy²)=50 м/с
tgα=vy/vx=30/40=0.75
α=arctg0.75=37°
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Verified answer
vx=40 м/с
vy=g*t=10*3=30 м/с
v=√(vx²+vy²)=50 м/с
tgα=vy/vx=30/40=0.75
α=arctg0.75=37°
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