A soccer player heads the size 5 ball deflecting it by, Ask an Expert

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Q1. A soccer player 'heads' the size 5 ball deflecting it by 46.0°, and keeps its speed of 15.90 m/s constant. A size 5 ball has a mass of approximately 0.421 kg. What is the magnitude of the impulse which the player must impart to the ball?

Q2. Is it possible to solve some questions

1-What is the origin for a positive deviation from Rauolt's law in some none ideal solutions?

2- Explain what electro negativity refers to and how this determines the nature of molecular bonds.

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