An ice hockey puck with a mass of 0.19 kg collides inelastically with a 0.85 kg snowball that is sliding to the left with a speed of 0.70 m/s. The combined puck and snowball slide along the ice with a velocity of 4.2 m/s to the right. What is the velocity of the hockey puck before the collision?

when insulating materials rub against each other, they may become electrically charged . electrons , which are negatively charged, may be 'rubbed off' one material and on to the other. the material that gains electrons becomes negatively charged. the material that loses electrons is left with a positive charge.

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explanation:

explanation:

newton's third law, for every action there is an equal and opposite reaction.