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2 years ago

10

What are two reasons a common measuring system is important?

1 answer:

Anton [14]2 years ago

5 0

One reason Is when you have different countries lets say the U.S.A and France you need t have a common unit for the importing and exporting of data the second is the people who look at the data if they are in a different country will not get confused as easily

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How many atoms are in 3.5 moles of sulfur

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There are 2.1077x10^24 atoms of sulfur in 3.50 mols of sulfur.

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2 years ago

Having more ______________ will make a material a better conductor.

Tasya [4]

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3 years ago

Which describes why nonrenewable energy resources are used more frequently than renewable ones?

vodomira [7]

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3 years ago

: The maximum theoretical efficiency of a Carnot engine operating between reservoirs at the steam point and at room temperature

Hunter-Best [27]

Answer:

The value is $\eta = 0.2145$ or 21.45%

Explanation:

From the question we are told that

The first reservoir is at steam point $T_s = 100^o C = 100 + 273 = 373 \ K$

The second reservoir is at room temperature $T_r = 20^o C = 293 \ K$

Generally the maximum theoretical efficiency of a Carnot engine is mathematically evaluated as

$\eta = 1- \frac{T_r}{T_s}$

=> $1 - \frac{ 293}{373}$

=> $\eta = 0.2145$

5 0

2 years ago

When the palmaris longus muscle in the forearm is flexed, the wrist moves back and forth. If the muscle generates a force of 45.

SpyIntel [72]

Answer:

Torque on the rocket will be 1.11475 N -m

Explanation:

We have given that muscles generate a force of 45.5 N

So force F = 45.5 N

This force acts on the is acting on the effective lever arm of 2.45 cm

So length of the lever arm d = 2.45 cm = 0.0245 m

We have to find torque

We know that torque is given by $\tau =F\times d=45.5\times 0.0245=1.11475N-m$

So torque on the rocket will be 1.11475 N -m

3 0

3 years ago