Multiple Choice
A cylindrical tank 8 m in diameter and 8 m high, with axis vertical, has 6 m of water in it. How many kilogram metres of work must be done to pump half the water in the tank to a height of 8 m above the top of the tank? (1 m3 of water weighs 1,000 kg.)
A) 648,000 kg . m
B) 552,000 kg . m
C) 432,000 kg . m
D) 496,000 kg . m
E) 5,409 600 kg . m
Correct Answer:

Verified
Correct Answer:
Verified
Q55: Find a general solution to the first-order
Q56: Find the moment about the x-axis
Q57: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB9661/.jpg" alt=" A)
Q58: Find the coordinates of the centroid of
Q59: Find the volume of a right circular
Q61: Use Pappus's Theorem to find the
Q62: Find the centre of mass of
Q63: For any events <span class="ql-formula"
Q64: Find the volume of a solid
Q65: Find the length of the arc y