In the following questions, a series of numbers is given which follow certain rules. One of the number is missing. Choose the missing number from the alternatives given below.
2, 5, 4, 8, 6, 11, 8, 14, 10, ? |
|||||||
(a) |
19 |
(b) |
17 |
(c) |
21 |
(d) |
23 |
In the following questions, a series of numbers is given which follow certain rules. One of the number is missing. Choose the missing number from the alternatives given below.
2, 5, 4, 8, 6, 11, 8, 14, 10, ? |
|||||||
(a) |
19 |
(b) |
17 |
(c) |
21 |
(d) |
23 |
Two blocks and
each of mass
, are connected by a massless spring of natural length
and spring constant
. The blocks are initially resting on a smooth horizontal floor with the spring at its natural length, as shown in Fig. A third identical block
, also of mass
, moves on the floor with a speed
along the line joining
and
and collides elastically with
Then
a) |
The kinetic energy of the |
b) |
The kinetic energy of the |
c) |
The maximum compression of the spring is |
d) |
The maximum compression of the spring is |
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