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CBSE Class 9 Answered

why does a boxer move his head back when his opponent hits him???
Asked by SYOHAN | 18 Sep, 2012, 05:48: PM
answered-by-expert Expert Answer
He does so in order to increase the time taken by him to take the full blow.
By increasing the time taken he has reduced the rate of change of momentum of opponents hand and thus also reduced the amount of force tranferred in accordanceto the second law  of motion.
Answered by | 18 Sep, 2012, 06:16: PM

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CBSE 9 - Physics
boxes a and b each of mass 2 kg having dimension 20 cm to 10 cm into 8 cm and 40 cm into 30 cm and to 15 January respective at kept on a horizontal surface as shown the figure the ratio of pressure accepted by box a on the surface accepted by box be on the surface is take g 10 m per second
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CBSE 9 - Physics
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CBSE 9 - Physics
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CBSE 9 - Physics
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CBSE 9 - Physics
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