Question number 7 please
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mass=volume*density
=(50litres)(1000kg/m^3)
=(50/1000m^3)(1000kg/m^3)
=50kg
use, energy=mgh=50kg (10N/kg)(25m)
=12500Nm=12500j
power=energy/time
= 12500j/5sec
=2500j/sec
=(50litres)(1000kg/m^3)
=(50/1000m^3)(1000kg/m^3)
=50kg
use, energy=mgh=50kg (10N/kg)(25m)
=12500Nm=12500j
power=energy/time
= 12500j/5sec
=2500j/sec
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