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Verdich [7]
3 years ago
12

What is the function of the switch in an electric circuit?

Physics
2 answers:
nlexa [21]3 years ago
8 0
A switch opens or closes
aliya0001 [1]3 years ago
3 0

Answer:

A switch opens or closes the electrical circuit, turning the flow of electricity on or off.

Explanation:

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Sam is observing the velocity of a car at different times. After two hours, the velocity of the car is 50 km/h. After six hours,
Xelga [282]
A )
t 1 = 2 h,  t 2 = 6 h
Δ t = t 2 - t 1 = 6 - 2 = 4 h
54 = 50 + a Δ t
54 = 50 + 4 a
4 a = 54 - 4
4 a = 4
a = 4 : 4
a = 1 km/h²
v o = 48 km/h
An equation that can be used to describe the velocity of the car at the different times is:
v = 48 + t
B ) The graph is in the attachment. 
Download docx
6 0
3 years ago
Explain what is happening in this picture
Assoli18 [71]

Answer:

in this video waves are coming up for the BOTTOM to the top of the sandbar

7 0
3 years ago
The main water line enters a house on the first floor. The line has a gauge pressure of 2.10 x 105 Pa. (a) A faucet on the secon
Eva8 [605]

To answer this question is necessary to apply the concepts related to Bernoulli's equation. The Bernoulli-related concept describes the behavior of a liquid moving along a streamline. Pressure can be defined as the proportional ratio between height, density and gravity:

P = h\rho g

Where,

h = Height

\rho = Density

g = Gravity

Our values are

\rho = 1000kg/m^3 \rightarow density of water at normal conditions

h = 7.3m

g = 9.8m/s^2

PART A) Replacing these values to find the total pressure difference we have to

P_1 = h_1 \rho g

P_1 = (7.3)(1000)(9.8)

P_1 = 71540Pa

In this way the pressure change would be subject to

\Delta = P_2-P_1

\Delta = 2.1*10^5Pa- 0.7154*10^5Pa

\Delta = 138460Pa

\Delta = 0.135Mpa

PART B) Considering the pressure gauge of the group as the ideal so that at a height H the water cannot flow even if it is open we have to,

P_2 = H\rho g

2.1*10^5 = H (1000)(9.8)

H = 21.42m

Therefore the high which could a faucet be before no water would flow from it is 21.42m

5 0
3 years ago
Select the best answer for the question.
Aleonysh [2.5K]

Answer:

I think the answer will be water ,sorry if ik wrong

4 0
3 years ago
The fan will not operate in which of the following circuits A B C or D
zheka24 [161]

The answswer would be d because there is a battery, and a metal clip to conduct electricity.

hope this helps! C:

4 0
3 years ago
Read 2 more answers
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