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Tresset [83]
3 years ago
10

How much work is needed to lift a 3kg create a vertical displacement of 22m

Physics
1 answer:
Ulleksa [173]3 years ago
6 0
I think its W= 647.239J
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What weight of water is displaced by a 100-ton floating ship? What is the buoyant force that acts on this ship?
Paha777 [63]
I can never remember whether the '100 T' is the gross weight of the ship or the weight of the cargo it can carry. Let's say it's the gross loaded weight. / / / A 100 ton floating ship displaces 100 tons of water, and the bbuoyant force on it is 100 tons.
8 0
3 years ago
You could make an air purifier by pumping air through a region that has an electric field. What kinds of particles would you be
Lina20 [59]

Answer:

We can remove ions and water molecules

Explanation:

We can remove ions and water molecules because both of them have an electric field . So this will help in repelling or attractive the above mentioned particles. Water is polar so it has an electric field due to net dipole moment.

6 0
3 years ago
Which of the following statements is true for ideal gases, but is not always true for real gases?
xxMikexx [17]

Answer:

C. Replacing one gas by another under the same conditions, has no effect on pressure.

Explanation:

Ideal gas:

 A gas is treated as an ideal gas if temperature is high and pressure is low.

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K.E.=\dfrac{3}{2}KT

So when temperature of gas is increases then  Average molecular kinetic energy will also increases.

The size of molecule is negligible as compare to the dimension of container. It mean that volume occupied by molecule is less as compare to the volume of container.

The between molecules is perfectly elastic.

Ideal gas equation

P V = m R T

So the option C is not always true.

4 0
3 years ago
A basketball has a mass of 1 kg and is traveling 12 m/s
cricket20 [7]

A) It would be doubled.

Why?

To answer the question, we just need to calculate the momentum of the basketball using the following formula:

Momentum=mass*velocity\\\\Momenum=1kg*12\frac{m}{s}=12\frac{kg.m}{s}

Now, we have calculated the momentum and the result is 12 kg.m/s, what would happen to the velocity if we double the momentum? Let's calculate it!

Momentum=mass*velocity\\\\(2)*12\frac{kg.m}{s}=1kg*velocity\\\\velocity=\frac{24\frac{kg.m}{s} }{1kg} =24\frac{s}{s}

Hence, we can see that if the momentum is doubled, the velocity will be doubled too.

Have a nice day!

7 0
3 years ago
Hey guys please help ✋✋
Lemur [1.5K]

Answer:

by using mearsung scale

6 0
3 years ago
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