An object weighs maximum in (a) air (b) water (c) hydrogen (d) vacuum

An object weighs maximum in (a) air (b) water (c) hydrogen (d) vacuum
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A 2 kg object weighs 1.8 kgf on a spring balance. The value of 'g' at that location in m/sec2is (A) 8.82 (B) 9.81 (C) 10.88 (D) 0.95

Description : A 2 kg object weighs 1.8 kgf on a spring balance. The value of 'g' at that location in m/sec2is (A) 8.82 (B) 9.81 (C) 10.88 (D) 0.95

Last Answer : (A) 8.82

An object having 10 kg mass weighs 9.81 kg on a spring balance. The value of 'g' at this place is (A) 10 m/sec² (B) 9.81 m/sec² (C) 9.75 m/sec² (D) 9 m/sec

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Four solid cubes of different metals, each one having a mass of one kg are weighed in water select the correct statement: (a) all cubes weigh equal (b) cube with minimum density weighs minimum (c) cube with minimum density weighs maximum (d) the mass of all cubes will be the same

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A body weighs slightly more at the poles than at the equator because (a) the earth is flat at the poles. (b) the earth has the maximum speed of rotation at the equator (c) the attractive force at the poles increases due to the ice cap (d) none of these is a complete explanation

Description : A body weighs slightly more at the poles than at the equator because (a) the earth is flat at the poles. (b) the earth has the maximum speed of rotation at the equator (c) the attractive force at the poles increases due to the ice cap (d) none of these is a complete explanation

Last Answer : Ans:(d)

The moving parts of a machine which weigh 1 tonne perform vertical simple harmonic motion with an amplitude of 2.5 cm and a period of 0.5 sec. The base of the machine weighs 3 tonnes and rests on the ground. Maximum reactions on the ground would be a.3.6 tonnes b.2.4 tonnes c.4.0 tonnes d.4.8 tonnes e.4.4 tonnes

Description : The moving parts of a machine which weigh 1 tonne perform vertical simple harmonic motion with an amplitude of 2.5 cm and a period of 0.5 sec. The base of the machine weighs 3 tonnes and rests on the ground. Maximum ... would be a.3.6 tonnes b.2.4 tonnes c.4.0 tonnes d.4.8 tonnes e.4.4 tonnes

Last Answer : e. 4.4 tonnes

Imagine Johnny, a party clown, is carrying three pieces of gold each piece weighing one kilogram. While taking a walk he comes to a bridge which has a sign posted saying the bridge could hold only a maximum of 80 kilograms. John weighs 78 kilograms and the gold weighs three kilograms. Johnny reads the sign and still safely crossed the bridge with all the gold. How did he manage this? -Riddles

Description : Imagine Johnny, a party clown, is carrying three pieces of gold each piece weighing one kilogram. While taking a walk he comes to a bridge which has a sign posted saying the bridge could hold only a ... the sign and still safely crossed the bridge with all the gold. How did he manage this? -Riddles

Last Answer : Johnny is a clown so he has mastered juggling. When he came to the bridge he juggled the gold, always keeping one piece in the air.

The maximum rimpull in the first gear of a tractor while towing a load is 6300 kg. The tractor weighs 12.5 tonnes and is operating along a 2 percent upgrade and the rolling resistance is 45 kg/tonne. Pull available for towing the load is (A) 3425 kg (B) 5515 kg (C) 4350 kg (D) 2975 kg

Description : The maximum rimpull in the first gear of a tractor while towing a load is 6300 kg. The tractor weighs 12.5 tonnes and is operating along a 2 percent upgrade and the rolling resistance is 45 kg/tonne. Pull available for towing the load is (A) 3425 kg (B) 5515 kg (C) 4350 kg (D) 2975 kg

Last Answer : (B) 5515 kg

A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal (A) Density of metal can't be determined (B) Metal is twice as dense as water (C) Metal will float in water (D) Metal is twice as dense as unknown fluid

Description : A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then  which is correct statement about density of metal  (A) Density of metal can't be determined  (B) ... as water  (C) Metal will float in water  (D) Metal is twice as dense as unknown fluid 

Last Answer : (A) Density of metal can't be determined 

A block of metal which weighs 60 newtons in air and 40 newtons under water has a density, in kilograms per meter cubed, of: w) 1000 x) 3000 y) 5000 z) 7000

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Last Answer : ANSWER: X -- 3000

One litre of cold air weighs heavier than the dry air (1 Litre) because of the (a) Increased number of collisions between the molecules (b) Increased number of molecules at low temperature (c) Greater energy of molecules at high temperature (d) Lower energy of molecules at high temperature

Description : One litre of cold air weighs heavier than the dry air (1 Litre) because of the (a) Increased number of collisions between the molecules (b) Increased number of molecules at low temperature (c) Greater energy of molecules at high temperature (d) Lower energy of molecules at high temperature

Last Answer : Ans:(b)

In a vacuum, how would a single atom such as hydrogen react when speed close to the speed of light?

Description : In a vacuum, how would a single atom such as hydrogen react when speed close to the speed of light?

Last Answer : The fact that the atom is in a vacuum makes no difference. In fact, all atoms are in local vacuums; air is made of molecules as well, remember, and in the space between molecules there is ... come arbitrarily close, because to do so would require that it be imbued with an infinite amount of energy.

(Kindly read the details before answering) How much energy would be actually required for a 1 kg object to reach the speed of light in a vacuum?

Description : (Kindly read the details before answering) How much energy would be actually required for a 1 kg object to reach the speed of light in a vacuum?

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Rate of falling object in vacuum is A. independent of weight B. dependent on massC. independent of massD. dependent of weight

Description :  Rate of falling object in vacuum is A. independent of weight B. dependent on mass C. independent of mass D. dependent of weight

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Concentration of hydrogen peroxide is done by(A) Crystallisation(B) Vacuum crystallisation(C) Atmospheric distillation(D) Dehydration

Description : Concentration of hydrogen peroxide is done by (A) Crystallisation (B) Vacuum crystallisation (C) Atmospheric distillation (D) Dehydration

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A cylindrical vessel can hold 154 g of water. If the radius of its base is 3.5 cm, and 1 cm3 of water weighs lg,find the depth of water. -Maths 9th

Description : A cylindrical vessel can hold 154 g of water. If the radius of its base is 3.5 cm, and 1 cm3 of water weighs lg,find the depth of water. -Maths 9th

Last Answer : Since 1 cm3 of water weighs 1 g. ∴ Volume of cyclinder vessel = 154 cm3 πr2h = 154 h = 154 × 7 / 22 × 3.5 × 3.5 h ;= 4 cm Hence, the depth of water is 4 cm.

A cylindrical vessel can hold 154 g of water. If the radius of its base is 3.5 cm, and 1 cm3 of water weighs lg,find the depth of water. -Maths 9th

Description : A cylindrical vessel can hold 154 g of water. If the radius of its base is 3.5 cm, and 1 cm3 of water weighs lg,find the depth of water. -Maths 9th

Last Answer : Since 1 cm3 of water weighs 1 g. ∴ Volume of cyclinder vessel = 154 cm3 πr2h = 154 h = 154 × 7 / 22 × 3.5 × 3.5 h ;= 4 cm Hence, the depth of water is 4 cm.

A barrel of water weighs 60 pounds. What must you put in it for it to weigh 40 pounds? -Riddles

Description : A barrel of water weighs 60 pounds. What must you put in it for it to weigh 40 pounds? -Riddles

Last Answer : you put holes into it

How much water weighs about 10 L?

Description : I need to find out how much about 10 liters of clean water weighs

Last Answer : Water has a density of 1 - so 1 liter weighs 1 kg. 10 l then 10 kg ... Which class do you go to ??? :O

How many Btus of heat are removed per hour when the water at a flow rate of 10 pounds per minute is cooled 15 degrees Fahrenheit (Water weighs 8.33 pounds per gallon)?

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The total weight of a pycnometer with water and oven dried soil 20 (g) is 1600 g. The pycnometer filled with water alone weighs 1500 g. The specific gravity of the soil, is (A) 1.0 (B) 1.5 (C) 2.0 (D) 2.5

Description : The total weight of a pycnometer with water and oven dried soil 20 (g) is 1600 g. The pycnometer filled with water alone weighs 1500 g. The specific gravity of the soil, is (A) 1.0 (B) 1.5 (C) 2.0 (D) 2.5

Last Answer : (C) 2.0

A soil mass coated with a thin layer of paraffin weighs 460 g. When immersed, it displaces 299 cc of water. The weight of paraffin is 10 g. If specific gravity of solids is 2.5 and that of paraffin 0.9, the void ratio of soil, is (A) 0.55 (B) 0.60 (C) 0.65 (D) 0.70

Description : A soil mass coated with a thin layer of paraffin weighs 460 g. When immersed, it displaces 299 cc of water. The weight of paraffin is 10 g. If specific gravity of solids is 2.5 and that of paraffin 0.9, the void ratio of soil, is (A) 0.55 (B) 0.60 (C) 0.65 (D) 0.70

Last Answer : Answer: Option B

An unsaturated 100 cm3 sample of soil weighs 190 g. If its dried weight is 160 g, water content of the soil, is (A) 0.188 (B) 0.288 (C) 0.388 (D) 0.588

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Last Answer : Answer: Option A

One cubic metre of water weighs (A) 100 litres (B) 250 litres (C) 500 litres (D) 1000 litres

Description : One cubic metre of water weighs (A) 100 litres (B) 250 litres (C) 500 litres (D) 1000 litres

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Two persons of masses 55 kg and 65 kg respectively, are at the opposite ends of a boat. The length of the boat is 3.0 m and weighs 100 kg. The 55 kg man walks up to the 65 kg man and sits with him. If the boat is in still water the centre of mass of the system shifts by

Description : Two persons of masses 55 kg and 65 kg respectively, are at the opposite ends of a boat. The length of the boat is 3.0 m and weighs 100 kg. The 55 kg man walks up to the 65 kg man and sits with him. If the boat is in still water the centre of mass of the system shifts by

Last Answer : (4) zero

A piece of metal weighing 55 grams weighs only 50 grams when suspended in water. What is its specific gravity?

Description : A piece of metal weighing 55 grams weighs only 50 grams when suspended in water. What is its specific gravity?  

Last Answer : ANSWER: 11

A person weighs more in a lift, which is (a) moving up with a constant velocity (b) moving down with a constant velocity (c) accelerating upward (d) accelerating downward

Description : A person weighs more in a lift, which is (a) moving up with a constant velocity (b) moving down with a constant velocity (c) accelerating upward (d) accelerating downward

Last Answer : Ans:(c)

Which bird weighs less than an insect?

Description : Which bird weighs less than an insect?

Last Answer : Humming bird

The brain of human adult weighs about-----? A. 1200 – 1300 gm (Answer) B. 1600 – 2000 gm C. 500 – 800 gm D. 100 – 200 gm

Description : The brain of human adult weighs about-----? A. 1200 – 1300 gm (Answer) B. 1600 – 2000 gm C. 500 – 800 gm D. 100 – 200 gm

Last Answer : A. 1200 – 1300 gm (Answer)

Is there a method to calculate how much a 20 kg weight weighs, when lifted by me, aged 54, compared to lifted by me, aged 22?

Description : Is there a method to calculate how much a 20 kg weight weighs, when lifted by me, aged 54, compared to lifted by me, aged 22?

Last Answer : No. The difference is not about your age, but about your body and mind at each point. There might be a weightlifter who has some standard or even some measure for how hard something feels to lift for ... a record or accurate memory of what weight felt what way to lift at some point in the past.

Sixteen ounces is a pound of weight. Sixteen ounces is a pint of liquid. That is, two cups. or 32 tablespoons. But is there any liquid or dry substance that one pint of --actually weighs one pound?

Description : Sixteen ounces is a pound of weight. Sixteen ounces is a pint of liquid. That is, two cups. or 32 tablespoons. But is there any liquid or dry substance that one pint of --actually weighs one pound?

Last Answer : A pint of water weighs a pound.

Isn't there something that informs the pilot that the plane is missing a tire/wheel or that it weighs less than it should?

Description : Isn't there something that informs the pilot that the plane is missing a tire/wheel or that it weighs less than it should?

Last Answer : Nothing I know of for a missing . . . or the plane is lighter than it should be.

If a person weighs over 1,000 pounds and is totally bed-ridden, how on earth do they manage to continue consuming the enormous amount of calories it takes to stay that heavy?

Description : If a person weighs over 1,000 pounds and is totally bed-ridden, how on earth do they manage to continue consuming the enormous amount of calories it takes to stay that heavy?

Last Answer : That’s why they call them enablers.

What do you feel weighs heavier: animal rights or religious rituals/customs?

Description : What do you feel weighs heavier: animal rights or religious rituals/customs?

Last Answer : answer:I’ll consider animal rights when animals present them to me. I’ll consider rituals/customs when those that perform them can empirically demonstrate the benefit out “weighs” the cost.

How much heat is require to maintain the temperature of a baby that weighs only 1.5 kg?

Description : How much heat is require to maintain the temperature of a baby that weighs only 1.5 kg?

Last Answer : Let’s say it’s room temperature, and the baby is wearing a thin garment. I’m not a doctor, but my understanding is that babies require a certain heat input or their vital signs become dangerously high/low. The question is: how much is that heat input (measured in kCal, joules, etc).

Did you do something in the past that now weighs down your mind?

Description : Did you do something in the past that now weighs down your mind?

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What is the meaning of saying that the consciousness of the past weighs like a nightmare on the brain of the living?

Description : What is the meaning of saying that the consciousness of the past weighs like a nightmare on the brain of the living?

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Has anyone heard of the seven year old girl who weighs 400 pounds?

Description : Has anyone heard of the seven year old girl who weighs 400 pounds?

Last Answer : Child abuse.

A flywheel weighs 400 kg and has a radius of gyration of 30 cm about its axis of rotation. It is mounted on a shaft subjected to a moment of 40 kgm. If the flywheel starts from restits speed after 3 seconds wil be a.10.9 rad/sec b.19.0 rad/sec c.51.2 rad/sec d.3.33 rad/sec e.16.35 rad/sec

Description : A flywheel weighs 400 kg and has a radius of gyration of 30 cm about its axis of rotation. It is mounted on a shaft subjected to a moment of 40 kgm. If the flywheel starts from restits speed after 3 seconds wil be a.10.9 rad/sec b.19.0 rad/sec c.51.2 rad/sec d.3.33 rad/sec e.16.35 rad/sec

Last Answer : d. 3.33 rad/sec

The gravitational field at the surface of the moon is one sixth of that at the surface of the earth. A 72 kg man weighs on the surface of the moon a.137.7 N b.250 c.72 N d.420 N e.117.7 N

Description : The gravitational field at the surface of the moon is one sixth of that at the surface of the earth. A 72 kg man weighs on the surface of the moon a.137.7 N b.250 c.72 N d.420 N e.117.7 N

Last Answer : e. 117.7 N

What costs nothing but is worth everything, weighs nothing but lasts a lifetime, that one person can't own but two can share? -Riddles

Description : What costs nothing but is worth everything, weighs nothing but lasts a lifetime, that one person can't own but two can share? -Riddles

Last Answer : Love. ❤️

What type of house weighs the least? -Riddles

Description : What type of house weighs the least? -Riddles

Last Answer : A lighthouse.

There are 8 pills. They are all the same size and color. One pill weighs slightly more and is poisonous. You have a balanced scale and you can only use it twice. How can you find the poisonous Pill? -Riddles

Description : There are 8 pills. They are all the same size and color. One pill weighs slightly more and is poisonous. You have a balanced scale and you can only use it twice. How can you find the poisonous Pill? -Riddles

Last Answer : Take any six pills and divide them into two groups of three each. Weigh putting the 3 pills on each side. If one side weigh's heavier than another, the heavier side consists of the poisonous pill. ... . If all the 6 pill weigh the same, weigh the remaining two pill and heavy one is poisonous.

What weighs more, a pound of rocks or a pound of feathers? -Riddles

Description : What weighs more, a pound of rocks or a pound of feathers? -Riddles

Last Answer : They both weigh the same.

Which part of the mermaid weighs the most? -Riddles

Description : Which part of the mermaid weighs the most? -Riddles

Last Answer : Her scales.

A young boy needs to cross a bridge that can only hold 100 pounds of weight. The young boy weighs 98 pounds. The young boy also has 3 balls that each weigh 1 pound each. The young boy needs to get across the bridge with all the balls at the exact same time.How does he get across the bridge with all 3 balls at the same time? -Riddles

Description : A young boy needs to cross a bridge that can only hold 100 pounds of weight. The young boy weighs 98 pounds. The young boy also has 3 balls that each weigh 1 pound each. The young boy needs to get ... the exact same time.How does he get across the bridge with all 3 balls at the same time? -Riddles

Last Answer : The Boy juggles all 3 balls while he walks across the bridge.

What is bigger than a grey elephant yet weighs nothing.What is it? -Riddles

Description : What is bigger than a grey elephant yet weighs nothing.What is it? -Riddles

Last Answer : The elephants shadow.