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Aug 31, 2013
A bullet of mass 10g travelling horizontally with a velocity of 150 m/s strikes a stationary wooden block and comes to rest in 0.03 sec.Calculate the distance of penetration of the bullet into the block. Also calculate the magnitude of the force exerted by the wooden block on the bullet.
Najiha
Sep 3, 2013
Why does an athlete run some distance before taking a jump. State the law behind it.
Letusknowwhy
Apr 18, 2014
Explain, why some leaves of tree may get detached from a
tree, if we vigorously shake its branch.
tree, if we vigorously shake its branch.
Leaves of tree may get detached from a tree, if we vigorously shake its branch due to inertia of rest. Leaves are in the state of rest with respect to the tree so they possess inertia of ...
Upashana Pankaj
Jul 30, 2014
How to derive Newton's first law of motion from Newton's second law of motion?
Force applied on a body is equal to the product of mass and acceleration of the bo...
Letusknowwhy
Apr 18, 2014
1 Which of the following has more inertia :
(a) A rubber ball and a stone of the same size?
(b) A bicycle and a train?
(c) A five rupees coin and one rupee coin?
(a) A rubber ball and a stone of the same size?
(b) A bicycle and a train?
(c) A five rupees coin and one rupee coin?
(a) A rubber ball and a stone of the same size?
(b) A bicycle and a train?
(c) A five-...
Arth
Sep 17, 2013
if action is always equal to reaction then how a horse can pull a cart ?????
Shailesh kumar Singh
Aug 16, 2013
Derive Newton's second law of motion?
It is uniformly accelerated to v...
Najiha
Sep 7, 2013
State law of conservation of momentum and deduce this law from Newtons third law of motion.
Prem Sidharth
Sep 16, 2015
derive f=ma
Veena Pinto
Aug 18, 2015
Why is it advised to tie any luggage kept on a roof of a bus with a slope?
Hyadarani
Aug 31, 2013
A bullet of mass 10g travelling horizontally with a velocity of 150 m/s strikes a stationary wooden block and comes to rest in 0.03 sec.Calculate the distance of penetration of the bullet into the block. Also calculate the magnitude of the force exerted by the wooden block on the bullet.
Najiha
Sep 3, 2013
Why does an athlete run some distance before taking a jump. State the law behind it.
Letusknowwhy
Apr 18, 2014
Explain, why some leaves of tree may get detached from a
tree, if we vigorously shake its branch.
tree, if we vigorously shake its branch.
Leaves of tree may get detached from a tree, if we vigorously shake its branch due to inertia of rest. Leaves are in the state of rest with respect to the tree so they possess inertia of ...
Upashana Pankaj
Jul 30, 2014
How to derive Newton's first law of motion from Newton's second law of motion?
Force applied on a body is equal to the product of mass and acceleration of the bo...
Letusknowwhy
Apr 18, 2014
1 Which of the following has more inertia :
(a) A rubber ball and a stone of the same size?
(b) A bicycle and a train?
(c) A five rupees coin and one rupee coin?
(a) A rubber ball and a stone of the same size?
(b) A bicycle and a train?
(c) A five rupees coin and one rupee coin?
(a) A rubber ball and a stone of the same size?
(b) A bicycle and a train?
(c) A five-...
Arth
Sep 17, 2013
if action is always equal to reaction then how a horse can pull a cart ?????
Shailesh kumar Singh
Aug 16, 2013
Derive Newton's second law of motion?
It is uniformly accelerated to v...
Najiha
Sep 7, 2013
State law of conservation of momentum and deduce this law from Newtons third law of motion.
Prem Sidharth
Sep 16, 2015
derive f=ma
Veena Pinto
Aug 18, 2015