Syvum Home Page

Home > Discussions > For all activities

Discussion topic: Contributed Answer/Explanation to Q. 4

Viewing messages

To go to the homepage of this topic, click here.
Page 1 of 2  >
From: mjh_syedReply 1 of 21Reply
Subject: Contributed Answer/Explanation to Q. 4
   Newton

Posted at: Mon Feb 8 09:34:14 2010 (GMT)

From: ratchetReply 2 of 21Reply
Subject: Contributed Answer/Explanation to Q. 2
   According to the principle of conservation of energy energy can neither be
   created nor be destroyed but changes from one form to another form

Posted at: Sun Feb 14 02:44:29 2010 (GMT)

From: priyanka_naikReply 3 of 21Reply
Subject: Contributed Answer/Explanation to Q. 4
   kg m/s

Posted at: Sun Mar 7 14:12:05 2010 (GMT)

From: priyanka_naikReply 4 of 21Reply
Subject: Contributed Answer/Explanation to Q. 20
   work is said to be done only when a force applied on a body makes a body
   move

Posted at: Sun Mar 7 14:13:28 2010 (GMT)

From: sumit1007Reply 5 of 21Reply
Subject: Contributed Answer/Explanation to Q. 28
   specific heat of a substance may be defined as the ammount of heat required
   to raise the temperature of unit mass of a substance through unit degree.its
   s.i unit is J/gm/degree centigrade
   
   if mass=1,temperature=1 then from equation Q=m*c*t
   
   
   or Q=c*1*1
   
   
   or Q=c
   
   
   or c=Q/mass * temperature

Posted at: Fri Mar 19 08:05:22 2010 (GMT)

From: aaaa123Reply 6 of 21Reply
Subject: Contributed Answer/Explanation to Q. 22
   the amount of work done is known as energy

Posted at: Sun Mar 28 06:37:43 2010 (GMT)

From: amishajahaReply 7 of 21Reply         View replies (1)
Subject: Contributed Answer/Explanation to Q. 13
   4.86

Posted at: Tue May 11 06:12:07 2010 (GMT)

From: amishajahaReply 8 of 21Reply
Subject: Contributed Answer/Explanation to Q. 13
   4.86 s

Posted at: Tue May 11 06:12:48 2010 (GMT)

From: harsimranReply 9 of 21Reply         View replies (1)
Subject: Contributed Answer/Explanation to Q. 4
   kg m s-1

Posted at: Mon Sep 27 14:12:47 2010 (GMT)

From: harsimranReply 10 of 21Reply
Subject: Contributed Answer/Explanation to Q. 4
   it is-
   kg m s-1

Posted at: Mon Sep 27 14:13:44 2010 (GMT)

From: harsimranReply 11 of 21Reply
Subject: Contributed Answer/Explanation to Q. 7
   angle of incidence at AB is 0 and at AC is 30
   it is 0 at AB because it is normal to the surface AB and 30 at AC because
   180- (90+60)=30

Posted at: Mon Sep 27 14:17:09 2010 (GMT)

From: harsimranReply 12 of 21Reply
Subject: Contributed Answer/Explanation to Q. 9
   concave lens

Posted at: Mon Sep 27 14:18:22 2010 (GMT)

From: harsimranReply 13 of 21Reply
Subject: Contributed Answer/Explanation to Q. 13
   4.86 s
   
   d=850 m
   
   
   s=350 ms-1
   
   
   t=?
   
   
   s=2d/t
   
   
   t=2d/s
   
   
    =850 x 2/350
   
   
    =4.86 s

Posted at: Mon Sep 27 14:24:50 2010 (GMT)

From: harsimranReply 14 of 21Reply
Subject: Contributed Answer/Explanation to Q. 16
   advantages of electromagnet over a bar magnet are-
   
   1.Its magnitude can be changed.
   
   
   2.Its polarities can be changed.

Posted at: Mon Sep 27 14:26:36 2010 (GMT)

From: harsimranReply 15 of 21Reply
Subject: Contributed Answer/Explanation to Q. 25
   pressure

Posted at: Mon Sep 27 14:27:55 2010 (GMT)

From: harsimranReply 16 of 21Reply
Subject: Contributed Answer/Explanation to Q. 32
   because mirror absorb some potion of light where as the prism does not
   absorb any light and reflects the light with the full intensity

Posted at: Mon Sep 27 14:31:59 2010 (GMT)

From: harsimranReply 17 of 21Reply
Subject: Contributed Answer/Explanation to Q. 33
   gamma rays, x rays, ultra violet rays, infra red rays

Posted at: Mon Sep 27 14:33:57 2010 (GMT)

From: harsimranReply 18 of 21Reply
Subject: Contributed Answer/Explanation to Q. 37
   resonance

Posted at: Mon Sep 27 14:34:30 2010 (GMT)

From: harsimranReply 19 of 21Reply
Subject: Contributed Answer/Explanation to Q. 39
   forced vibrations

Posted at: Mon Sep 27 14:35:04 2010 (GMT)

From: harsimranReply 20 of 21Reply
Subject: Contributed Answer/Explanation to Q. 40
   its pitch increases

Posted at: Mon Sep 27 14:36:42 2010 (GMT)

Page 1 of 2  >

To post to this forum, you must be signed in as a Syvum member. Please sign in / register as a member.

Contact Info © 1999-2017 Syvum Technologies Inc. Privacy Policy Disclaimer and Copyright