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4 years ago

You can report sexual harassment to:

Physics

1 answer:

12345 [234]4 years ago

6 0

You can report sexual harassment to all of the above.

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In an experiment, a rectangular block with height h is allowed to float in two separate liquids. In the first liquid, which is w

Amiraneli [1.4K]

Answer:

The relative density of the second liquid is 7.

Explanation:

From archimede's principle we know that the force that a liquid exerts on a object equals to the weight of the liquid that the object displaces.

Let us assume that the volume of the object is 'V'

Thus for the liquid in which the block is completely submerged

The buoyant force should be equal to weight of liquid

Mathematically

$F_{buoyant}=Weight\\\\\rho _{1}\times V\times g=m\times g\\\\\therefore \rho _{1}=\frac{m}{V}...............(i)$

Thus for the liquid in which the block is 1/7 submerged

The buoyant force should be equal to weight of liquid

Mathematically

$F'_{buoyant}=Weight\\\\\rho _{2}\times \frac{V}{7}\times g=m\times g\\\\\therefore \rho _{2}=\frac{7m}{V}.................(ii)$

Comparing equation 'i' and 'ii' we see that

$\rho_{2}=7\times \rho _{1}$

Since the first liquid is water thus $\rho _{1}=1gm/cm^3$

Thus the relative density of the second liquid is 7.

6 0

3 years ago

Read 2 more answers

The laboratory test that detects neutropenia is

bixtya [17]

It's absolute neutropihil count, also called ANC

4 0

4 years ago

What does pe really mean

stepladder [879]

Answer:

Physical Education

Explanation:

You get to learn about physical activities and exercise to make you healthier and more in shape

5 0

3 years ago

Read 2 more answers

Food's appearance depends a great deal on how it's presented.<br> TRUE<br> FALSE<br> I

Blizzard [7]

Answer:

True

Explanation:

You put true or false in all caps but it's cool

3 0

3 years ago

You and your 3 friends are driving down the road. All the wheels go flat at the exact same time, that's not good. You have to us

mel-nik [20]

Answer:

Workdone = 8400 Nm

Explanation:

Given the following data;

Force = 2100 N

Distance = 4 meters

To find the work done;

Workdone = force * distance

Workdone = 2100 * 4

Workdone = 8400 Nm

Therefore, the amount of work done on the car is 8400 Newton meters.

7 0

3 years ago