Two persons, 
of mass 60 kg and 
of mass 40 kg, are standing on a horizontal platform of mass 50 kg. The platform is supported on wheels on a horizontal frictionless surface and is initially at rest. Consider the following situations
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(i) Both 
and 
jump from the platform simultaneously and in the same horizontal direction
(ii) A jumps first in a horizontal direction and after a few seconds 
also jumps in the same direction
In both the situations above, just after the jump, the person (
or
) moves away from the platform with a speed of 3 m/s relative to the platform and along the horizontal Answer these questions
In situation (i), just after both 
and
jump from the platform, velocity of centre of mass of the system (
and the platform) is
a)
2 m/s
b)
6 m/s
c)
5 m/s
d)
None of these
of mass 60 kg and of mass 40 kg, are standing on a horizontal platform of mass 50 kg. The platform is supported on wheels on a horizontal frictionless surface and is initially at rest. Consider the following situations and jump from the platform simultaneously and in the same horizontal direction also jumps in the same direction or ) moves away from the platform with a speed of 3 m/s relative to the platform and along the horizontal Answer these questionsIn situation (i), just after both and jump from the platform, velocity of centre of mass of the system ( and the platform) is
a)
2 m/s
b)
6 m/s
c)
5 m/s
d)
None of these
Question ID - 101226 | SaraNextGen Top Answer Two persons, of mass 60 kg and of mass 40 kg, are standing on a horizontal platform of mass 50 kg. The platform is supported on wheels on a horizontal frictionless surface and is initially at rest. Consider the following situations
(i) Both and jump from the platform simultaneously and in the same horizontal direction
(ii) A jumps first in a horizontal direction and after a few seconds also jumps in the same direction
In both the situations above, just after the jump, the person ( or ) moves away from the platform with a speed of 3 m/s relative to the platform and along the horizontal Answer these questions
In situation (i), just after both and jump from the platform, velocity of centre of mass of the system ( and the platform) is
a)
2 m/s
b)
6 m/s
c)
5 m/s
d)
None of these
Two persons, of mass 60 kg and of mass 40 kg, are standing on a horizontal platform of mass 50 kg. The platform is supported on wheels on a horizontal frictionless surface and is initially at rest. Consider the following situations
(i) Both and jump from the platform simultaneously and in the same horizontal direction
(ii) A jumps first in a horizontal direction and after a few seconds also jumps in the same direction
In both the situations above, just after the jump, the person ( or ) moves away from the platform with a speed of 3 m/s relative to the platform and along the horizontal Answer these questions
|
In situation (i), just after both |
|||||||
|
a) |
2 m/s |
b) |
6 m/s |
c) |
5 m/s |
d) |
None of these |
|
(d) Centre of mass will remain at rest because there is no external force on the system of |
, 
and platform