he held up a glass of water and asked the class,how heavy do you think this glass of water?

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• Put the glass downA lecturer was giving a lecture to his student on stress management.He raised a glass of water and asked the audience,”How heavy do you think this glass of water is?”The students’ answers ranged from 20g to 500g.“It does not matter on the absolute weight.It depends on how long you hold it.If I hold it for a minute,it is OK.If I hold it for an hour,I will have an ache in my right arm.If I hold it for a day,you will have to call an amb
• he held up a glass of water and asked the class,how heavy do you think this glass of water?
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