Question 1.
- mass = 4500 kg
- potential energy (p.e) = 67500 J
now, we know :
=》
=》
=》
=》
=》
note : if we take acceleration due to gravity as 9.8, then height = 1.53 m
Question 2.
- mass = 4500 kg
- kinetic energy = 63000 j
we know,
=》
=》
=》
=》
=》
=》
or
=》
Which could describe the motion of an object?
2 answers:
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Answer:
4.433 kW
Explanation:
Suppose the flow rate is the same at the inlet and outlet at 57 m3/hr.
Since 1 hour = 60 minutes = 3600 seconds we can calculate the flowrate in m3/s
As we are neglecting loss from friction and elevations changed, the power delivered by the pump is the product of the change in pressure and the flow rate