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gavmur [86]
3 years ago
7

When the current is the same through all of the resistors and the batteries of a circuit, you have resistors in __.

Physics
2 answers:
charle [14.2K]3 years ago
6 0
Its series cause parallel would be if one would be off and it will still be on. All of them are the same so its a series.
dedylja [7]3 years ago
4 0
I think it is B. I'm not sure though
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A force f = bx 3 acts in the x direction, where the value of b is 3.7 n/m3. how much work is done by this force in moving an obj
Elodia [21]
The answer would be 21.6 but rounded up it would be 22J.
8 0
3 years ago
Calculate the temperature increase in a 1.00-kg sample of water that results from the conversion of gravitational potential ener
Llana [10]

To solve this problem it is necessary to apply the concepts concerning the conservation of both potential and thermodynamic energy of the body. That is to say that as the body has a loss of potential energy it is gained in the form of thermal energy on water. If the potential energy is defined as

PE = mgh

Where,

m= mass

g = Gravitational acceleration

h = Height

And thermal energy is obtained as

Q = mC_p\Delta T

Where,

\Delta T = Change in Temperature

C_p = Specific Heat

m = Mass

We can equate this equation and rearrange to find the change at the Temperature, then

mgh = mC_p\Delta T

\Delta T = \frac{gh}{C_p}

Our values are given as,

C_p = 4186J/Kg\cdot K \rightarrow Specific Heat Water

Using energy conservation

g = 9.8m/s^2

h = 807m

Replacing,

\Delta T = \frac{(9.8)(807)}{4186}

\Delta T = 1.89K

Therefore the temperature increase in a 1kg sample of water is 1.89K

8 0
3 years ago
Define specific heat capacity
sleet_krkn [62]

Answer:you can just look this up yknow?

Explanation:

7 0
3 years ago
Read 2 more answers
Select the correct answer. What do scientists use to determine the temperature of a star? A. Thermometer B. Distance from Earth
Vladimir79 [104]

Answer:

Color

Explanation:

Thus, for stars, considering them as “black bodies”, we can get an approximate figure for their temperature by measuring their dominant frequency (color). Technically scientists measure the brightness of the blue light and that of red light from the star, and from this they can calculate the temperature of the star.

7 0
3 years ago
A pump can throw a stream of water up to 29.6m. What is the initial speed of the stream when it leaves a hose nozzle.
zhannawk [14.2K]
Hello
We know that the water's kinetic energy upon leaving will be converted into potential energy as it is projected straight up. The maximum height attained by the water is 29.6m.
We know Kinetic Energy is
1/2 * m * v^2
And Potential energy is
m*g*h
Equating,
(m*v^2)/2 = m*g*h
The mass cancels out from each side, making an object's mass irrelevant when its Kinetic and Potential energies are interchanging.
v = sprt(2gh)
v = sqrt(2*9.81*29.6)
v = 24.1 m/s
7 0
4 years ago
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