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pshichka [43]
4 years ago
8

Which of the following will cause an increase in gas pressure in a closed container?

Physics
1 answer:
Volgvan4 years ago
5 0
D. both b. and c. Obviously adding more gas but reducing the volume because of the limited space in the container.
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A source of emf is connected by wires to a resistor, and electrons flow in the circuit. The wire diameter is the same throughout
Zina [86]

Answer:

C. the same.

Explanation:

The drift speed of electrons in a circuit is the same all through the circuit.

4 0
3 years ago
What is measurement​
HACTEHA [7]

Answer:

“Measurement” is the act of determining a target's size, length, weight, capacity, or other aspect. There are a number of terms similar to “measure” but which vary according to the purpose (such as “weight,” “calculate,” and “quantify.”) In general, measurement can be understood as one action within the term “instrumentation.”  

Explanation:

• To show measured results using values and symbols. • To use measurement tools.   Measuring a target can be done through either direct measurement or indirect measurement. An Indirect measurement is done, for example, by using a dial gauge to measure the height difference between a measurement target and a gauge block and using that height to indirectly determine the target's height. Because this type of measurement is based on a reference, indirect measurement is also referred to as “comparative measurement.

An ”Direct measurement is measurement done by bringing the target into contact with the measurement system to read the length, height, or other aspect directly. Although direct measurement allows measurement results to be known as they are, errors may occur depending on the skill of the person doing the measurement.

5 0
3 years ago
Two objects (42.0 and 21.0 kg) are connected by a massless string that passes over a massless, frictionless pulley. The pulley h
Kazeer [188]

Answer:

a = 3.27 m/s²

T = 275 N

Explanation:

Given that:

Mass m₁ = 42.p0 kg

Mass m₂ = 21.0 kg

Consider both masses to be in a whole system, then:

The acceleration can be determined as:

(m_1+m_2)a = g(m_1-m_2)

Making acceleration the subject in the above formula;

a =\dfrac{g(m_1-m_2)}{(m_1+m_2)}

a =\dfrac{9.8(42.0-21.0)}{(42.0+21.0)}

a =\dfrac{9.8(21.0)}{(63.0)}

a =\dfrac{205.8}{(63.0)}

a = 3.27 m/s²

in the string, the tension is calculated using the formula:

T = \dfrac{2m_1m_2g}{(m_1+m_2)}

T = \dfrac{2(42)(21)(9.81)}{(42+21)}

T = \dfrac{17304.84}{63}

T = 274.68 N

T ≅ 275 N

8 0
3 years ago
Where do people and animals get energy to move arond
LuckyWell [14K]
<span>People and animals get energy to move arond in the food they eat.

</span>
6 0
4 years ago
What is a benefit of fossil fuel consumption?
arlik [135]

Answer:

increased greenhouse gases

Explanation:

I think this is the right answer...

8 0
3 years ago
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