Last Updated On [03-11-2023]
From a building two balls 
to 
are thrown such that 
is thrown upwards and 
downwards (both vertically). If 
and 
are their respective velocities on reaching the ground, then
a)
b)
c)
d)
Their velocities depends on their masses
From a building two balls to are thrown such that is thrown upwards and downwards (both vertically). If and are their respective velocities on reaching the ground, then
a)
b)
c)
d)
Their velocities depends on their masses
Question ID - 50940 :-
From a building two balls to are thrown such that is thrown upwards and downwards (both vertically). If and are their respective velocities on reaching the ground, then
a)
b)
c)
d)
Their velocities depends on their masses
|
From a building two balls |
|||
|
a) |
|
b) |
|
|
c) |
|
d) |
Their velocities depends on their masses |
|
(b) From conservation of energy, Potential energy at height Therefore, at height PE = KE at ground So,
Similarly, Therefore, |
kinetic energy at ground
, potential energy of ball 
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The average expenditure of a man for the first five months is Rs. 1200 and for the next seven months is Rs. 1300. If he saves Rs. 2900 in that year, his monthly average income is
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