A total of 4900 joules was spent in lifting a 50 kg mass. The mass raised to a height of

Options :
  1. 98 m
  2. 960 m
  3. 10 m
  4. none of the above
Answer and Explanation :-

Answer: Option 3

Explanation:

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For the things we have to learn before we can do them, we learn by doing them.
-Aristotle The Nicomachean Ethics