Answer
given,
mass of the goalie(m₁) = 70 kg
mass of the puck (m₂)= 0.11 kg
velocity of the puck = 31.5 m/s
elastic collision







The point obviously is in the 3rs quadrant
So
စ= tan^-1( y/x)-180
စ= -89.7°
Answer:
Wedge
Explanation:
Scissors are a pair of wedges that are combined together.
Answer:72,000
Explanation:
A rainbow. Dispersion is the splitting of radiation into it's different wavelengths.