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ANEK [815]
3 years ago
5

Is light: kinetic, potential energy, either or both? Explain

Physics
1 answer:
Rina8888 [55]3 years ago
8 0
Light is either potential energy or kinetic. 
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A box of groceries requires 5.0 newtons of force to lift it up 1.0 meter. How much work is done?
Sergeeva-Olga [200]
Work = F * s
w = 5 * 1
w = 5 J

In short, Your Answer would be 5 Joules

Hope this helps!
7 0
3 years ago
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The voltage entering a transformer’s primary winding is 120 volts. The primary winding is wrapped around the iron core 10 times.
loris [4]
<u>Answer</u>

 48 Volts  

<u>Explanation</u>
The question can be solve using the turn rule of a transformer that states;

Np/Ns = Vp/Vs
Where Np ⇒ number of turns in the primary coil.
            Ns ⇒number of turns in the seconndary coil
            Vp ⇒ primary voltage
             Vs ⇒secondary voltage

Np/Ns = Vp/Vs

10/4 = 120/Vp

Vp = (120 × 4)/10

      = 480/10
      = 48 Volts  

 

5 0
4 years ago
Read 2 more answers
An automobile has a mass of 1200 kg. What is its kinetic energy, in kJ, relative to the road when traveling at a velocity of 50
nikdorinn [45]

Answer:

K.E = 463.04 k J

P = 23.14 Watt

Explanation:

given,

mass of automobile = 1200 kg

velocity = 50 km/h

             = 50 × 0.278

             = 13.9 m/s

kinetic energy = \dfrac{1}{2}mv^2

                        =\dfrac{1}{2}\times 1200 \times 13.9^2

        K.E = 115.93 k J

vehicle accelerated to velocity = 100 km/h

                                                    = 100 × 0.2778

                                                    = 27.78 m/s

kinetic energy = \dfrac{1}{2}mv^2

                        =\dfrac{1}{2}\times 1200 \times 27.78^2

        K.E = 463.04 k J

work done = change in kinetic energy

                   = 463.04 - 115.93

                   = 347.11 J

Power = \dfrac{work\ done}{time}

Power =\dfrac{347.11}{15}

P = 23.14 Watt

7 0
3 years ago
How many rings does saturn have
Colt1911 [192]

Answer:

From far away, Saturn looks like it has seven large rings. Each large ring is named for a letter of the alphabet. The rings were named in the order they were discovered.

3 0
3 years ago
Tech a says that the pcv system recirculates exhaust gases into the intake manifold. tech b says that the pcv system recirculate
d1i1m1o1n [39]

Tech a says that the pcv system recirculates exhaust gases into the intake manifold called Reconstruction debate that had federalism debate that had been an issue since the 1790s.

Reconstruction failed by most other measures: Radical Republican legislation ultimately failed to protect former slaves from white persecution and failed to engender recirculates changes to the social fabric of the South. When President Rutherford B. federalism debate that had been an issue since the 1790s almost mediately . Hayes removed federal troops from the South in 1877, former recirculates officials and slave returned to With the support of a conservative Supreme Court, these newly empowered white southern politicians passed black codes, voter qualifications, and other anti-progressive legislation to reverse the rights that blacks had gained during Radical Reconstruction. The U.S. Supreme Court bolstered this federalism anti-progressive movement federalism  with decisions in the Slaughterhouse Cases, the Civil Rights Cases, and United States v.

Learn more about Reconstruction on:

brainly.com/question/24761999

#SPJ4

5 0
1 year ago
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