The centre of mass of a body is a point at which the whole mass of the body is supposed to be concentrated. If the body consists of two particles of masses 
with 
and 
as their position vectors, then the position vector of the centre of mass is
Similarly, velocity of centre of mass of two particles moving with velocities 
and 
is
, and
Acceleration of centre of mass of two particles having acceleration 
and 
is
For an isolated system, where no external force acts, 
and 
= constant.
Read the above paragraph and answer the following questions:
Two bodies of masses 2 kg and 4 kg are moving towards each other with equal velocity 
. The velocity of centre of mass is
a)
b)
c)
d)
with and as their position vectors, then the position vector of the centre of mass is and , and and is and = constant.Two bodies of masses 2 kg and 4 kg are moving towards each other with equal velocity . The velocity of centre of mass is
a)
b)
c)
d)
Question ID - 101117 | SaraNextGen Top Answer The centre of mass of a body is a point at which the whole mass of the body is supposed to be concentrated. If the body consists of two particles of masses with and as their position vectors, then the position vector of the centre of mass is
Similarly, velocity of centre of mass of two particles moving with velocities and
is
, and
Acceleration of centre of mass of two particles having acceleration and is
For an isolated system, where no external force acts, and = constant.
Read the above paragraph and answer the following questions:
Two bodies of masses 2 kg and 4 kg are moving towards each other with equal velocity . The velocity of centre of mass is
a)
b)
c)
d)
The centre of mass of a body is a point at which the whole mass of the body is supposed to be concentrated. If the body consists of two particles of masses with and as their position vectors, then the position vector of the centre of mass is
Similarly, velocity of centre of mass of two particles moving with velocities and
is
, and
Acceleration of centre of mass of two particles having acceleration and is
For an isolated system, where no external force acts, and = constant.
Read the above paragraph and answer the following questions:
|
Two bodies of masses 2 kg and 4 kg are moving towards each other with equal velocity |
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a) |
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b) |
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c) |
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d) |
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