Pls draw a picture of a coolie and explain in following situations if he or she is doing work or not. If he is doing work, then calculate the amount of work done and the height of coolie is 1.5m
(a) Coolie lifts a suitcase of 50 kg from ground and places on his head
(b) Coolie stands with that suitcase on his head for 10 minutes
(c) Coolie walks with that suitcase on his head for 100 meters
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A solution is defined as a:
A .
Homogeneous mixture of two or more substances
B .
Heterogeneous mixture of two or more substances
C .
Homogeneous mixture of liquid and solid components only
D .
Homogeneous mixture consisting of water as one of the components
A solution is a homogeneous mixture of two or more substances. A solution may exist in any phase.
A solution consists of a solute and a solvent.
The solute is the substance that is dissolved in the solvent.
For example, in a saline solution, salt is the solute dissolved in water as the solvent.
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