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Formula: KE= ½ my²
PE=mgh
where g= 9.8 m/s²
1. A 1000 kg car has a velocity of 17 m/s. What is the car's kinetic energy?
2. If the same 1.0 kg book is lifted to 0.5 m above the table, but the table top is 1.0 m above the floor, what
would be the potential energy of the book if the reference
level were the floor?
Answer and Solutions:
то


Sagot :