Discussion topic: Contributed Answer/Explanation to Q. 12
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| Page 1 of 1 | | From: sori4 | Reply 1 of 5 | Reply | | | Subject: Contributed Answer/Explanation to Q. 12 |
they r proided with hollow box because more will be the air column more will
be the sound
Posted at: Sat Mar 6 18:34:40 2010 (GMT)
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| From: digant | Reply 2 of 5 | Reply | | | Subject: Contributed Answer/Explanation to Q. 1 |
mass is the quantity of matter contained in d body...weight is the force wid
wich d earth attracts a body towards itself..mass is measured by a beam
balance but weight is measured by a spring balance Posted at: Mon Feb 7 15:03:39 2011 (GMT)
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| From: digant | Reply 3 of 5 | Reply | | | Subject: Contributed Answer/Explanation to Q. 2 |
0...no work is done as der is no displacement Posted at: Mon Feb 7 15:04:08 2011 (GMT)
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| From: digant | Reply 4 of 5 | Reply | | | Subject: Contributed Answer/Explanation to Q. 5 |
S=D/T .. .20m/s=d/5therefore d=100 m Posted at: Mon Feb 7 15:07:34 2011 (GMT)
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| From: digant | Reply 5 of 5 | Reply | | | Subject: Contributed Answer/Explanation to Q. 6 |
Acc.-rate of change of displacement...so ....(20-0)/5 = 4 Posted at: Mon Feb 7 15:09:11 2011 (GMT)
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