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Hunter-Best [27]
3 years ago
11

A student is building a simple circuit with a battery, light bulb, and copper wires. When she connects the wires to the battery

terminals, the light bulb does not light up. Which of the following could explain why the bulb does not light?
A. The is no energy source.

B. The circuit is open.

C. This circuit is too simple to light up a light bulb.

D. Copper wires do not conduct electric current.
Physics
2 answers:
denis23 [38]3 years ago
5 0
It’s will be B because the circuit had a open or close so if that doesn’t work than it’s because it’s open
tensa zangetsu [6.8K]3 years ago
5 0
The answer would probably be B
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Answer:

C. you're able to reverse out of the parking spot

Explanation:

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3 0
3 years ago
Which term describes an observable fact, event, or circumstance?
madam [21]

Answer:

Phenomenon

Explanation:

phe·nom·e·non

/fəˈnäməˌnän/

noun

1.

a fact or situation that is observed to exist or happen, especially one whose cause or explanation is in question:

"glaciers are unique and interesting natural phenomena"

synonyms

occurrence, event, happening, fact, situation, etc.

2.

a remarkable person, thing, or event:

"the band was a pop phenomenon just for their sales figures alone"

synonyms

marvel, sensation, wonder, prodigy, miracle, etc.

3 0
3 years ago
A satellite is in a circular orbit 21000 km above the Earth’s surface; i.e., it moves on a circular path under the influence of
mina [271]

Answer:

(orbital speed of the satellite) V₀ = 3.818 km

Time (t) = 4.5 × 10⁴s

Explanation:

Given that:

The radius of the Earth is 6.37 × 10⁶ m;    &

the acceleration of gravity at the satellite’s altitude is 0.532655 m/s

We can calculate the orbital speed of the satellite by using the formula:

Orbital Speed (V₀) = √(r × g)

radius of the orbit (r) = 21000 km + 6.37 × 10⁶ m

                                  = (2.1 × 10⁷ + 6.37 × 10⁶) m

                                  = 27370000

                                  = 2.737 × 10⁷m

Orbital Speed (V₀) = √(r × g)

Orbital Speed (V₀) = √(2.737 × 10⁷  × 0.532655 )

                              = 3818.215

                              = 3.818 × 10³

                             = 3.818 Km

To find the time it takes to complete one orbit around the Earth; we use the formula:

Time (t) = 2 π × \frac{r}{V_o}

            = 2 × 3.14 × \frac{2.737*10^7}{3.818*10^3}

            = 45019.28

            = 4.5 × 10 ⁴ s

6 0
3 years ago
A container contains 200g of water at initial temperature of 30°C. An iron nail of mass 200g at temperature of 50°C is immersed
d1i1m1o1n [39]

Answer:

Assuming there is no heat loss to the surrounding.

Heat lost by iron equals heat gained by water.

0.2(450)(50-x)=0.2(4200)(x-30)

x=31.94 °C

Explanation:

4 0
3 years ago
Read 2 more answers
Imagine you have to design a safe, useful device that uses an electric discharge to make your life better. How would you describ
Norma-Jean [14]

Answer:

i would describe it as some thing that keeps ur belongings safe and can also make my life better and not so sad

Explanation:

4 0
3 years ago
Read 2 more answers
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