Answer:
I think A is the correct .
Explanation:
Hope this will help you.
Torque = r x F
|F| = mg = 60 * 10 N = 600 N ( assuming g ~ 10m/s^2)
distance of fulcrum = torque / Force = 90/600 m = .15 m.
Answer:
Light and sound waves are different in the sense that:
Light can travel without a medium, and is a physical particle
Sound is a vibration in a medium
Light can be altered by a different medium
Same with sound
Explanation:
There's no answer list, but here are some answers.
Answer:
Gas like oxygen, nitrogen etc
Energy needs, in total kilocalories per day, are greater during adolescence than any other time of life. The correct option among all the options that are given in the question is the second option or option "b". Only during the time of pregnancy will a girl require more kilocalories per day than during the time of adolescence.
