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DaniilM [7]
4 years ago
8

What type of thermodynamic system is best to use to describe an operating automobile engine? A) Open O B) Dilated O C) Isolated

( D) Closed Save
Physics
1 answer:
densk [106]4 years ago
5 0

Answer:

The answer to the given question from multiple options below is

option (a)

Explanation:

An operating automobile engine is an open system as it allows the exchange of matter and energy in between the system and its surrounding.

The other options do not comply, for example, as in isolated system no matter and energy is not exchanged and the other two options also do not favor atleast one of the two exchanges.

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Where will you find the most kinetic energy? ice or water?​
const2013 [10]

Answer:

Water has more kinetic energy because it is liquid, as ice is harder, so it's cells can't move as much.

7 0
3 years ago
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Why does a pendulum have periodic motion?
Igoryamba
A, B, and C are all incorrect because they are talking about springs. I'm assuming you're talking about a 2 dimensional, side to side pendulum. In that case, the answer is D because as the pendulum goes up from one side, gravity accelerates it downward until it swings to the other side. If you're not talking about this type of pendulum, leave a comment and ill come back.
7 0
3 years ago
An FM radio consists of a series RLC circuit with a 6.57 pF (peco – 10-12) capacitor. If a person is dialed into a station broad
faust18 [17]

Answer:

3.6 x 10⁻⁷ H

Explanation:

C = capacitance of the capacitor = 6.57 x 10⁻¹² F

L = inductance of the inductor = ?

f = frequency of broadcasting system = 103.9 MHz = 103.9 x 10⁶ Hz

frequency is given as

f = \frac{1}{2\pi \sqrt{LC}}

103.6\times 10^{6} = \frac{1}{2(3.14)\sqrt{(6.57\times 10^{-12})L}}

Inserting the values

L = 3.6 x 10⁻⁷ H

4 0
3 years ago
A water hose is used to fill a large cylindrical storage tank of
ludmilkaskok [199]

Answer:

maximum possible speed by solving above equation for 7D is

v_{max} = \sqrt{\frac{49}{5}gD}

minimum possible value of speed for solving x = 6D is given as

v_{min} = \sqrt{9gD}

Explanation:

Let the nozzle of the hose be at the origin. Then the nearest part of the rim of the tank is at (, ) =  (6, 2) and the furthest part of the rim is at (, ) = (7, 2).

The trajectory of the water can be found as follows:

x = (v_o cos45) t

y =  (v_o sin45) t - \frac{1}{2}gt^2

Now from above two equations we have

y = x - \frac{gx^2}{v_o^2}

now we know that height of the cylinder is 2D so we have

x - \frac{gx^2}{v_o^2} = 2D

by solving above equation we have

x = \frac{v_o^2 \pm v_o^2\sqrt{1 - \frac{8gD}{v_o^2}}}{2g}

now we know that maximum value of x is 7D

so the maximum possible speed by solving above equation for 7D is

v_{max} = \sqrt{\frac{49}{5}gD}

minimum possible value of speed for solving x = 6D is given as

v_{min} = \sqrt{9gD}

6 0
3 years ago
If the electric field inside a capacitor exceeds the dielectric strength of the dielectric between its plates, the dielectric wi
ahrayia [7]

Answer:

The max. Energy that can be stored in the neoprene rubber capacitor will be 0.304J

Explanation:

Detailed explanation and calculation is shown in the image below

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