Question

27
Passage
A man in a boat A pulls a rope with a force 100N. The other end of the rope is tied to a boat B of mass
200kg. The total mass of boat A and man is 300kg, disregard the weight of the rope and the resistance of
the water. Then answer the following.
a2
ai
F = 100 N
boat - B
boat - A + man
i.
Acceleration of 'A' towards 'B'is
[ ]
1
1
a)
m/s2
b)
1
c) – m/s2
s
2 m/s2
1
d)
6
3
m/s2
ii.
Acceleration of 'B' towards 'A' is
1
m/s2
4
1
b) = m/s2
a)
c)
m/s2
d) m/s2
8
iii.
Net acceleration of boat towards man is
[ ]
8
7
a)
m/s2
b)
5
m/s2
6
4
c)
6
m/s2
d)
6
8 m/s2
iv.
Net velocity of the man at the end of third second (t = 3) is
[ ]
2
4
b)
a)
5
d) = m/s
m/s
7 m/s
7
c) – m/s
8
3
[ ]
V.
The power developed by the man by the end of the third second is
a) 100 W
b) 200 W
c) 150 W
d) 250 W​

Answer 1

Answer:

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