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postnew [5]
3 years ago
12

The 11 th one please! Somebody help me:(

Physics
1 answer:
photoshop1234 [79]3 years ago
5 0

Answer:

203360Pa

Explanation:

Pressure= density of liquid*height*g

=1000*10*10

=100000Pa

Total pressure= water pressure + atmospheric pressure

=1000000+103360

=203360 Pascal

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Describe how electricity flows through a simple closed circuit.
Vedmedyk [2.9K]

Answer:

Electrons are drawn from one end of the battery to the other. Connecting two of those ends allows an electric current to flow between them. Wires make a path through that current can flow from one end of a battery to the other end, which would be considered as: The north and east side

8 0
3 years ago
You dip your finger into a pan of water twice each second,producing waves with crests that are separated by 0.17 m.
____ [38]

Answer:

a) 2Hz

b) 0.5seconds

c) 0.34m/s

Explanation:

a) Frequency is defined as the number of oscillations completed by a wave in one second.

If my finger is dipped into a pan of water twice each second, it means that my hand has made 2 oscillations through the water in one second. An oscillation is a to and fro movement of a particle, body or wave through a medium.

Based on the conclusion, the frequency of the waterwaves will be 2Hertz or 2cycles/sec.

2) Period T of a wave is defined as the time taken by a wave to complete one oscillation. It is the reciprocal of the frequency of a wave.

T = 1/F

Given frequency = 2Hertz

T = 1/2

T = 0.5seconds

Period of the water wave is 0.5seconds

c) speed of the wave v is expressed according to the relationship:

velocity = frequency × wavelength

Given:

Frequency = 2Hertz

Wavelength = 0.17m (Since it is the difference between two successive crest or trough of a wave)

Velocity = 2×0.17

Velocity = 0.34m/s

5 0
3 years ago
A piece of aluminium foil is held between a bar magnet and a paperclip. What will happen to the paper clip?
Nuetrik [128]

Answer:the paper clip will be attracted to the magnet

Explanation:

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3 years ago
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D loud sound

Hope this helped:)
4 0
3 years ago
Read 2 more answers
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