Answer: 9.9%
Explanation: efficiency = (work output /work input) × 100
Note that, 1 kilocalorie = 4184 joules, hence 22kcal = 22× 4184 = 92048 joules.
Work output = 9200 j and work input = 92048 j
Efficiency = (9200/92048) × 100 = 0.099 × 100 = 9.9%
Downward movement under the force of gravity only.
Answer:
Gravity
Explanation:
Thats the answer bucko. Gives the brainliest or I die
Answer:
If you spend more time in the sun, your skin will become drier.
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