• 1 (a) Find out Kinetic energy and Potential energy of a cat 12 kg, running on a wide wall that is 3 m high with 6 m/s. 
• (b) If it runs 10 m with that speed and then stop, how much work will be done by it?
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• 2. You ran to a mountain that is 2km high in 30 min.
•  (a) If your mass is 80 kg, find out what potential energy you will have when you reach to the peak of the mountain.
•  (b) How much work is done by you? 
• (c) What is your power?