# the weight of a person in air is 70 kg, but in water it may be 50kg. loss of weight is due to

### Mohammed

Guys, does anyone know the answer?

get the weight of a person in air is 70 kg, but in water it may be 50kg. loss of weight is due to from screen.

## A person weighs 50 kg wt in air. He displaces 40 kg water when he swims keeping his body in the water. The weight he loses is

A person weighs 50 kg wt in air. He displaces 40 kg water when he swims keeping his body in the water. The weight he loses is

Byju's Answer Standard VIII Physics Free Body Diagram A person weig... Question

A person weighs 50 kg wt in air. He displaces 40 kg water when he swims keeping his body in the water. The weight he loses is

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## The mass of a person is 50 kg. The weight of that person on the surface of the Earth will be what?

Answer (1 of 12): Umm… 50 kg? Or I guess the answer you’re looking for is m=50 kg g=9.806 m/s^2 F=mg=50*9.806=490.34 N They would weigh 490.34 newtons.

The mass of a person is 50 kg. The weight of that person on the surface of the Earth will be what?

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Sort Kai Duquet

Studied Physics & Mathematics at HomeschoolingUpdated 4y

Weight is the force exerted on you by gravity, of any object. Since weight is a force and gravitational “pull” is an acceleration, we can use the equation F=ma to work out the weight:

F=m*a

F=50kg * 9.80665 m/s^2 (Gravity on Earth’s surface)

F=490.3325 N (N stands for Newtons, and is the unit for Force). We can round this down to 490N, just like we can round 9.80665 to 9.8.

Note that gravity varies from place to place on Earth, so your weight is a bit different here than in Japan (not by much). 9.80665 m/s^2 is what we call “standard” gravity on Earth.

A lot of times, people will confuse mass and w

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How much would a 50 kg person weigh on Jupiter?

Wel the gravitational strength on Jupiter is 24.79 m/s^2 which means that if you were falling on Jupiter that's how fast you would accelerate. This gravity is 2.52× stronger than the 9.8 m/s^2 on earth so if you multiply 50 by 2.52 you get 126.

But weight isn't physically measured in kg, that's mass. But mass does not change no matter where you are so they would still have 50kg of mass but they would weigh more due to gravity. 50kg of mass on earth is equal to 500 Newton's if weight so they would weigh 1260 Newton's on Jupiter but still would have 50kg of mass.

(Sorry if this is confusing)

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Antonio Ruggeri

Former Retired Professional Dr. EngineerDec 31

1[Ton] is indestructible mass/substance, 9.8 [kJ/mc] is the effect over it of [Ether/ESF] absorbed by Earth Gravity as a “flow” that is caused by absorption of it through a coefficient k [kJ/(m^2*m*1′)] which is causing a continuous flow compressing Earth mass (over its surface) with a mass Force which is referred as Weight (on Earth the weight is 9.8[kJ]/[Ton]. Therefore for (50[kg]=0.05[Ton]) the Weight (Force pulling through the mass) is 0.05*9.8=0.490 [kJ/Ton]) since [Ton] are units of mass in absolute and the weight is a gravitational effect (Force) depending on absorption causing the pas

Jim.Moore

Nuclear Eng, Mathematician, Professor, Thorium LFTR AdvocateAuthor has 13.6K answers and 5.2M answer views1y

Weight = mass × gravity

W = 50 kg × 9.80665 m/s²

W = 490.3325 N if exact

Rounded to 2 sigfigs: 490 N

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Isaac Becker

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Umm… 50 kg? Or I guess the answer you’re looking for is

m=50 kg g=9.806 m/s^2

F=mg=50*9.806=490.34 N

They would weigh 490.34 newtons.

Nigam Pathak

Third Party Inspector at Freelancer (2010-present) (2010–present)8mo

On the earth mass and weight of any object are always same. So 50 kg weighing person will have 50 kg mass.

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Jaswant Singh

Teacher at Akal Academy Mander (2015–present)4y

A person weighing 50 kg here on earth will weigh lesser on moon (as everybody says), so 50 kg is not the mass, it is the weight.

So according to this 50 Kg is actually the force, as mass doesn’t change , it’s only weight (force) that changes

and mass should be 50/9.8 = 5 kg mass approximately .

am I right or not , I am confused over this topic since I have studied it in the school.

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Absolutely not Definitely yes Edwin Frydendall

Lives in Shakopee, MinnesotaAuthor has 2.8K answers and 676K answer views2y

On Earth’s surface, 50kg converts to approximately 110 pounds (2.2 pounds per kilogram).

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Lance Berg

Author has 19.7K answers and 31.7M answer views5y

A person massing 50kg will weigh about 110 lbs on the surface of the Earth (slightly different amounts depending on the exact location)

## A body weighs 50 g in air and 40 g in water. How much would it weigh in a liquid of specific gravity 1.5

Loss of weight in water = upthrust in water 50 g - 40 g = rhoomega Vg rArr V = 10 cm^3 Loss of weight in liquid = rhol Vg = 1.5 rhoomega xx 10 g = 15 g Weight in liquid = 50 g - 15 g = 35 g.

A body weighs 50 g in air and 40 g

in water. How much would it weigh in a liquid of specific gravity

1.5

CP SINGH-FLUID MECHANICS-EXERCISES

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Updated On: 27-06-2022

Text Solution A 65 g B 45 g C 30 g D 35 g Answer

The correct Answer is D

Solution

Loss of weight in water = upthrust in water

50 g − 40 g = ρ ω V g ⇒ V = 10 c m 3

Loss of weight in liquid

= ρ l V g = 1.5 ρ ω × 10 g = 15 g Weight in liquid = 50 g − 15 g = 35 g . Answer

Step by step solution by experts to help you in doubt clearance & scoring excellent marks in exams.

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Apiece of metal weighs 46 gin air. When it is im mersed in a liquid of specific gravity 1.24 " at " 27^(@) C, it weighs 30 g. When the temperature of the liquid is raised to 42^(@) C, the metal piece weighs 30.5 g. Specific gravity of liquid at 42^(@) C is 1.2. Calculate the coefficient of linear expansion of the metal.

642788762 Text Solution A necklace weighs 50 g

in air, but it weighs

46 g

in water. Assume that copper is mixed with gold to prepare the necklace. Find how much copper is present in it. (Specific gravity of gold is

20

and that of copper is

10 .) 644103067 03:30

A piece of wax wieghs 18.03 g in air. A piece of metal is found to weigh 17.03 g in water. It is tied to the wax and both together weigh 15.23 g in water. Then, the specific gravity of wax is

644369576 05:25

A body weight 50 g in air and 40 g in water. How much would it weigh in a liquid of specific gravity 1.5?

644385632 07:39

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645057354 04:37

A body weighs 50 grams in air and 40 grams in water. How much would it weigh in a liquid of specific gravity 1.5?

645408212 02:53

Guys, does anyone know the answer?