a vertical pole 6M long cast a shadow of length 3.6 m on the ground what is the height of the tower which cast a shadow of length 18 M at the same time
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Let AB and AC be the vertical pole and its shadow, respectively.
According to the question:
AB = 6 m
AC = 3.6 m
Again, let DE and DF be the tower and its shadow.
According to the question:
DF = 18 m
DE =?
Now, in right -angled triangles ABC and DEF, we have:
BAC= EDF =90°
ABC=DFC
therefore, By AA similarity theorem.
We get ABC -DEF
So, DE = 6×180÷3.6
=30.
Hope its help you
marshal0006:
this is my question
BASISMOTORGENERATORFunctionThe Motor converts Electrical energy into Mechanical EnergyGenerator converts Mechanical energy to Electrical energy.
ElectricityIt uses electricity.It generates electricityDriven elementThe Shaft of the motor is driven by the magnetic force developed between armature and field.The Shaft is attached to the rotor and is driven by mechanical force.
ElectricityIt uses electricity.It generates electricityDriven elementThe Shaft of the motor is driven by the magnetic force developed between armature and field.The Shaft is attached to the rotor and is driven by mechanical force.
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difference between electric motor and ac generator
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