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Lerok [7]
2 years ago
10

What is the total resistance of the circuit shown below?

Physics
1 answer:
mariarad [96]2 years ago
8 0

Answer:36

Explanation:To analyze a series-parallel combination circuit, follow these steps: Reduce the original circuit to a single equivalent resistor, re-drawing the circuit in each step of reduction as simple series and simple parallel parts are reduced to single, equivalent resistors. Solve for total resistance.

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Hydrogen gas is generated when acids come into contact with certain metals. When excess hydrochloric acid reacts with 2.2 g of (
CaHeK987 [17]

To solve the problem it is necessary to apply the concepts related to Byle's Law and Avogadro's Law.

The ideal gas equation would help us find the final solution to the problem, defined by

PV = nRT

Where,

T= Temperature of the gas

R = Universal as constant

n = number of moles

V = Volume

P = Pressure

For our case we have that the mass of Zn is 2.2g in moles would be

[tex]Zn = \frac{2.2}{65}[/tex]

Zn = 0.0338

We know that 1 mole of hydrogen gas is proceed by 1 mole of zinc and the result is Zn^{2+}, then Hydrogen can produce the same quantity,

H_2 = 0.0338

Applying the previous equation we have that

V= \frac{nRT}{P}

V = \frac{0.0338*0.08206*293.15}{0.98}

V = 0.829L

Therefore the volume of hydrogen gas is collected is 0.829L

6 0
3 years ago
A stone is dropped from a height of 49m and simultaneously another ball is thrown upward from the ground with a speed of 40m/s.
Lilit [14]

Answer:

S1 = 1/2 g t^2     distance stone falls in time t

S2 = Vy t - 1/2 g t^2   distance thrown stone rises in time t

H = 49 = S1 + S2 = Vy t

t = 49 / 40 sec   time when stones meet

Check:

Stone 1 falls:      1/2 g t^2 = 1/2 * 9.8 * (49 / 40)^2 = 7.35 m

Stone 2 rises :  40 * (49 / 40) - 1/2 * 9.8 (49 / 40)^2 = 41.65 m

5 0
2 years ago
The increases in a planet's speed as it approaches the sun is described by kepler's second law what is the best explanation for
Keith_Richards [23]
<span>Keplers second law, that gravitational potential energy is lost when planets get near the sun and it becomes kinetic energy, best describes the reason why a planets speed will increase as it becomes closer to the sun.</span>
5 0
3 years ago
How does the law of universal gravitation apply to objects near Earth’s surface?
tekilochka [14]
In other words, the Earth attracts objects near its surface to itself. This universal force also acts between the Earth and the Sun, or any other star and its satellites. Each attracts the other. Sir Isaac Newton defined this attraction mathematically. Hope this helps! Mark brainly please!
4 0
2 years ago
A mass m hangs from string wrapped around a pulley of radius R. The pulley has a moment of inertia I, and its pivot is frictionl
Semmy [17]

Answer:B

Explanation:

Given

radius of Pulley is r

Pulley has a moment of inertia is I

Suppose mass is falling with an acceleration a and T be the Tension in string

mg-T=ma

T=m(g-a)

And I\times \alpha =T\times R

I\times \frac{a}{R}=T\times R

I\times \frac{a}{R}=m(g-a)\times R

I=\frac{mR^2(g-a)}{a}

and Torque is I\alpha

\tau =\frac{mR^2(g-a)}{a}\times \alpha

\tau =\frac{mR^2(g-a)}{a}\times \frac{a}{R}

\tau =mR(g-a)

Which is less than mgR

8 0
3 years ago
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