a ball of mass 1kg is thrown up with an initial speed of 4m/s A second ball of mass 2kg is released from rest from some HEIGHT as shown in the figure
Answers
Answer:
okkk
Explanation:
A ball of mass
is thrown up with an initial speed of
. A second ball of mass
is released from rest from some height as shown in Fig.open sidebar
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Question From class 11 Chapter CENTRE OF MASS
A ball of mass
is thrown up with an initial speed of
. A second ball of mass
is released from rest from some height as shown in Fig.
Text Solution
The centre of mass of the two balls comes down with acceleration
.
The centre of mass first moves up and then comes down.
The acceleration of the centre of mass is
downwards.
The centre of mass of the two balls remains stationary.
Answer : B
Solution :
The initial velocity of is upward. The acceleration of the is downward.