Physics, 24.04.2020 04:16 Loowkeychrissy7227

7. Define Efficiency in words. How efficient are cars compared to bicycles, why do you think bicycles are more
efficient? (Hint: Explain using the wasted energy in each case)
8. A food blender takes in 300J of electrical energy gives out only 100J of mechanical energy.
a. Explain how energy transforms in a food blender and the kinds of energy that are wasted (unusable).

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