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Alchen [17]
2 years ago
12

Which of the following is not a greenhouse gas?

Physics
1 answer:
Harman [31]2 years ago
6 0

Answer:

The answer is B

Explanation: Greenhouse gases must be able to change their vibrational state in order to absorb infrared radiation or heat. SO therefore helium is not one of them.

Hope this helps:)

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A 500-N weight sits on the small piston of a hydraulic machine. The small piston has area 2.0 cm2. If the large piston has area
weqwewe [10]

Answer:

W₂= 10000 N

Explanation:

Pascal´s Principle can be applied in the hydraulic press:

If we apply a small force (F1) on a small area piston A1, then, a pressure (P) is generated that is transmitted equally to all the particles of the liquid until it reaches a larger area piston and therefore a force (F2) can be exerted that is proportional to the area (A2) of the piston:

Pressure is defined as the force (F) applied per unit area (A)

P=F/A   (N/m²)

P1=P2

\frac{F_{1} }{A_{1} } = \frac{F_{2} }{A_{2} }

F_{2} = \frac{F_{1}*A_{2}  }{A_{1}}  Equation (1)

Data

W₁ = weight sits on the small piston

F₁ = W₁= 500 N

A₁ = 2.0 cm²

A₂ = 40 cm²

Calculation of the weight  (W₂) can the large piston support

We replace data in the equation (1)

F_{2} = \frac{(500)*(40) }{2}

F₂ = 10000 N

W₂= F₂= 10000 N

6 0
3 years ago
Which element is found in group 17 and period 2
exis [7]
The answer is fluorine
4 0
2 years ago
A fair ground ride spins its occupants inside a flying saucer-shaped container. if the horizontal circular path the riders follo
Licemer1 [7]
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
Below is the solution:

 <span>centripetal accel = 1.5*g 
ω²r = 1.5*9.8m/s² 
ω² * 8m = 14.7 m/s² 
ω = 1.36 rad/s * 1rev/2πrads * 60s/min = 12.9 rpm</span>

6 0
3 years ago
Which of the following does not represent a question that can be answered by science?a. How much energy is released in a given n
Nookie1986 [14]

Answer:

c.

Explanation:

6 0
3 years ago
Read 2 more answers
A toy car is placed at 0 on a number line. It moves 9 cm to the left, then 4 cm to the right, and then 6 cm to the lef
Trava [24]

Answer:

19 cm

Explanation:

The total distance is 9+4+6 = 19 cm

However, the DISPLACEMENT is -9+4-6 = -11 cm.

4 0
3 years ago
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