A. 500.0g
B. 400.0g
C. 44.4g
D. 25.0g

Correct Answer: Option D

D. 25.0g


clockwise moment = Anti-clock wise moment

= M x 40 = 100 x 10

M = 1000/40

= 25g

SEE ALSO  Water falls through a height of 50m. Determine the temperature rise at the bottom of the fall. [Neglect energy losses. Specific heat capacity of water = 4200Jkg-1 K-1, g = 10m/s²]

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