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puteri [66]
3 years ago
14

I need help by today guys plz help

Physics
1 answer:
NISA [10]3 years ago
5 0

radio waves bc they have the longest wave lenthgs in a magnetic spectrum

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Which solid-state component can be used as a switch to turn current on or off?
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The answer is Transistor. Its a semiconductor device used to amplify or switch electronic signals and electrical power. It is composed of semiconductor material usually with at least three terminals for connection to an external circuit.
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A man in a lift is moving upwards in a constant speed.the weight of the man is W.Acc
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Answer:

Normal force=mg

Explanation:

The reaction force of weight is the normal force.

in order to find the normal for we need to write all the forces and set it equal to the net force:

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9- When the moon comes in an orbit higher from earth, ......... solar eclipse are formed.
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A student finds an unlabeled liquid container in his lab. He notices that the container has two liquids. Since the two liquids h
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Answer:

\rho = 1848.03 kg m^{-3}

Explanation:

given data:

density of water \rho = 1 gm/cm^3 = 1000 kg/m^3

height  of water  = 20 cm  =0.2 m

Pressure  p = 1.01300*10^5 Pa

pressure at bottom

P =  P_{fluid} + P_{h_2 o}

P   = P_{fluid}  + \rho g h

P_{fluid}  = P - \rho g h

                 = 1.01300*10^5 - 1000*0.2*9.8

                 = 99340 Pa

p_{fluid}  = P_{atm} + \rho g h_{fluid}                       h_[fluid} = 0.307m

99340 = 104900 + \rho *9.8*0.307

\rho = 1848.03 kg m^{-3}

5 0
3 years ago
A 100-newton box is placed on a table. The table can exert a maximum normal force of 80 newtons. What will happen to the box?
myrzilka [38]

Answer:

D

Explanation:

Dddddddddddddddddd

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