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Civil Engineering - Applied Mechanics

Exercise : Applied Mechanics - Section 2
46.
Ball A of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/s hits an identical stationary ball B on the table. If the impact is perfectly elastic, the velocity of the ball B just after impact would be
zero
5 m/sec
10 m/sec
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
Equation of motion of a point in a straight line, is
v = u + ft
S = ut + ft2
2fS = v2 - u2
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
For the system of the loads shown in below figure, the time required for the 6.6 kg load to fall on the edge, is
1 sec.
2 sec.
3 sec.
4 sec.
5 sec.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
One end of a light string 4 m in length is fixed to a point on a smooth wall and the other end fastened to a point on the surface of a smooth sphere of diameter 2.25 m and of weight 100 kg. The tension in the string is
17.5 kg
19.5 kg
22.5 kg
25 kg.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
The inherent property of a body which offers reluctance to change its state of rest or uniform motion, is
weight
mass
inertia
momentum.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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