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stiks02 [169]
2 years ago
7

Mercury is commonly used in thermometer give reasons​

Physics
2 answers:
evablogger [386]2 years ago
6 0

Answer:

hi

<h3>BECAUSE MERCURY IS USED BECAUSE IT is the only liquid available in room temperature </h3>

Explanation:

pls mark as a BRAINLIST

julia-pushkina [17]2 years ago
5 0

We use mercury in thermometers because most metals are good conductor of heat and mercury is the only metal in liquid state.

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Name the energy possessed by hot air
sashaice [31]

Answer:

geothermal energy

Explanation:

the energy is obtained from the heat within the surface of earth

6 0
2 years ago
Read 2 more answers
Now, consider whether the following statements are true or false:_____________________________________.
Igoryamba

Answer:

A)F

B)F

C)T

Explanation:

A)

This is not always true that the product of the two vector's always non-negative .It may be positive or negative.

That is why this statement is false.

B)

The unit vectors in three perpendicular direction is i ,j and k.

We know that for unit vectors

i.i=j.j=k.k= 1

i .j= j.k=k.i=0

Therefore only  parallel component of the force will contribute in the integral part instead of perpendicular component of the force.

That is why this statement is false.

C)

This statement is True.

A)F

B)F

C)T

7 0
3 years ago
00
zhuklara [117]

Answer:

In a column of fluid, pressure increases with depth as a result of the weight of the overlying fluid. Thus a column of fluid, or an object submerged in the fluid, experiences greater pressure at the bottom of the column than at the top. This difference in pressure results in a net force that tends to accelerate an object upwards.

The pressure at a depth in a fluid of constant density is equal to the pressure of the atmosphere plus the pressure due to the weight of the fluid, or p = p 0 + ρ h g , p = p 0 + ρ h g , 14.4

Granite: 2.70 × 10 32.70 × 10 3

Lead: 1.13 × 10 41.13 × 10 4

Iron: 7.86 × 10 37.86 × 10 3

Oak: 7.10 × 10 27.10 × 10 2

4 0
2 years ago
. A 1.00 kg rock is thrown up into the air from ground level at a speed of 8.00 m/s. The ball travels up
Liula [17]

Answer:

p = -8 kg-m/s

Explanation:

Given that,

Initial speed of the rock, u = 8 m/s

Mass of the rock, m = 1 kg

The ball travels up  to a maximum height, then returns to the ground.

We need to find the rock's momentum as it strikes the  ground. Let v be the final speed of the rock. Its final speed is as same as initial speed i.e. 8 m/s but in negative direction. So

p = mv

p = 1 kg × (-8 m/s)

= -8 kg-m/s

So, the rock's momentum as it strikes the  ground is (-8 kg-m/s).

5 0
2 years ago
How does area affect the pressure?​
dybincka [34]

The smaller the area the greater the pressure, while the bigger the smaller the pressure. So they are inversely proportional

5 0
3 years ago
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