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Vedant
Subject: Physics
, asked on 16/5/17
Give Real life application and environmental application of variac.
Answer
1
Shubhrajyoti Ghosh
Subject: Physics
, asked on 11/3/17
A conical - shaped container with a base diameter 30 cm and a height of 40 cm is completely filled with a liquid. If the density of this liquid is 1.03 g/cc, then dtermine the mass of the liquid in it and the thrust developed on the base of the cone. [ Answer : 9.707 kg ; 285.405 N ] NO LINKS PLEASE
Answer
1
Shubhrajyoti Ghosh
Subject: Physics
, asked on 11/3/17
The
width
of the lock-gate of a canal is
3 m
. On one side, the
depth
of water is
4.5 m
and on the other side the depth is
3 m
. Determine thew resultant thrust exerted by the water on the lock gate.
[
Answer :
165375 N
]
NO LINKS PLEASE
Answer
1
Shubhrajyoti Ghosh
Subject: Physics
, asked on 11/3/17
A rectangular vessel of
length
,
breadth
and
depth
4 m
,
3 m
and
2 m
respectively is completely filled with water. What will be the thrust acting on two adjacent faces of the vessel ?
[
Answer :
5.88 * 10
4
N ; 7.84 * 10
4
N ]
NO LINKS PLEASE
Answer
1
Shubhrajyoti Ghosh
Subject: Physics
, asked on 10/3/17
NO LINKS PLEASE
Q.
Q.The density of the material of a body is 0.76 g/cc and its weight in air is 40 g*g. If the density of the material of the counterpoising weight is 8.4 g/cc and the density of air is 1.293 g/L, then what is the real weight of the body
Answer
1
Shubhrajyoti Ghosh
Subject: Physics
, asked on 10/3/17
A
U-tube
of
uniform cross-section
contains some water. When
4cc
of water
is poured into it, the water level rises by
1 cm
in each arm of the tube. Now, if
10 cc
of oil
is poured through one of the limbs, the water level rises further by
2.2 cm
into the other limb.Calculate the density of the oil.
[
Answer :
0.88 g/cc
]
NO LINKS PLEASE
Answer
1
Shubhrajyoti Ghosh
Subject: Physics
, asked on 10/3/17
A
mass
of
1000 kg
is to be raised with the help of a hydraulic press. The
ratio of the diameters
of the piston is
1:5
and mechanical advantage of the press is
4
. What force has to be applied on the smaller piston of the press.
[
Answer :
98 N
]
NO LINKS PLEASE
Answer
1
Shubhrajyoti Ghosh
Subject: Physics
, asked on 10/3/17
NO LINKSPLEASE
Q.The density of the material of a body is 0.76 g/cc and its weight in air is 40 g*g. If the density of the material of the counterpoising weight is 8.4 g/cc and the density of air is 1.293 g/L, then what is the real weight of the body.
Answer
1
Shubhrajyoti Ghosh
Subject: Physics
, asked on 10/3/17
DEAR EXPERT,
Soryy, but
I cannot understand this answer
. Here, in the question, internal diameter of the sphere is asked. But experts gave answer in g/cc. So please explain this solution in details.
THANK YOU
Answer
1
Shubhrajyoti Ghosh
Subject: Physics
, asked on 10/3/17
By means of a hydrostatic balance, it is found that an iron cylinder and a glass cylinder of equal radii, when completely immersed in water, balance each other. If the specific gravities of iron and glass are
7.2
and
2.55
respectively, then determine the ratio of the lengths of the two cylinders.
[
Answer :
1 : 4
]
NO LINKS PLEASE
Answer
1
Shubhrajyoti Ghosh
Subject: Physics
, asked on 10/3/17
A piece of cork of
density 0.25 g/cc
, attached to a metal piece of
mass 10 g
and of
density 5 g/cc
, is found to float completely immersed in water. Determine the volume of the piece of cork.
[
Answer :
10.66 cm
3
]
NO LINKS PLEASE
Answer
1
Shubhrajyoti Ghosh
Subject: Physics
, asked on 9/3/17
A vessel contains mercury and water. An iron cylinder just floats vertically in that vessel. What is the ratio of the immersed parts of the cylinder in water and in mercury ? The
density of mercury =
13.6 g/cc
and the
density of iron =
7.78 g/cc.
[
Answer :
97 : 113
]
NO LINKS PLEASE
Answer
1
Shubhrajyoti Ghosh
Subject: Physics
, asked on 9/3/17
A metallic sphere of
radius
4 mm
sinks in water. If it is coated with wax of a
uniform thickness
3 mm
, it can just float in water. if the
density of wax is
0.8 g/cc
, then what will be the density of metal?
[
Answer :
1.87 g/cc
]
NO LINKS PLEASE
Answer
1
Shubhrajyoti Ghosh
Subject: Physics
, asked on 9/3/17
What should be the minimum area of an ice block of
thickness
30 cm
so that it can float on water with a man of
mass
90 kg
. The
density of ice
=
0.9 g/cc
[
Answer : 3 m
2
]
NO LINKS PLEASE
Answer
1
Shubhrajyoti Ghosh
Subject: Physics
, asked on 9/3/17
The
weights
of a body in
air
and
water
are
W
and
W'
respectively. Prove that the apparent weight of the body when immersed in a liquid of density
δ
will be
W" = W - (W - W')δ
NO LINKS PLEASE
Answer
1
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Next
What are you looking for?
[ Answer : 165375 N ]
NO LINKS PLEASE
[Answer : 5.88 * 104 N ; 7.84 * 104 N ]
NO LINKS PLEASE
Q.Q.The density of the material of a body is 0.76 g/cc and its weight in air is 40 g*g. If the density of the material of the counterpoising weight is 8.4 g/cc and the density of air is 1.293 g/L, then what is the real weight of the body
[Answer : 0.88 g/cc ]
NO LINKS PLEASE
[Answer : 98 N ]
NO LINKS PLEASE
NO LINKSPLEASE
Q.The density of the material of a body is 0.76 g/cc and its weight in air is 40 g*g. If the density of the material of the counterpoising weight is 8.4 g/cc and the density of air is 1.293 g/L, then what is the real weight of the body.
Soryy, but I cannot understand this answer. Here, in the question, internal diameter of the sphere is asked. But experts gave answer in g/cc. So please explain this solution in details.
THANK YOU
[ Answer : 1 : 4 ]
NO LINKS PLEASE
[ Answer : 10.66 cm3]
NO LINKS PLEASE
[ Answer : 97 : 113 ]
NO LINKS PLEASE
[Answer : 1.87 g/cc ]
NO LINKS PLEASE
[ Answer : 3 m2 ]
NO LINKS PLEASE
NO LINKS PLEASE