4th unit assignment physics 11th class

                                                        1 Assignment
Q1. Define (a)Work (b)Energy (c)Kinetic energy (d) Potential energy (e) Spring energy (f) Power.
Q2. Explain different types of work with example?
Q3. What is collision .Explain different types of collosion?
Q4. Derive the expression for kinetic energy and spring energy?
Q5. Explain one example of conversion of energy?
Q6. What is coefficient of restitution. what is its value for different type of collision.
Q7. Explain the units of Work ,power ,energy in SI and c.g.s system.

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