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Novosadov [1.4K]
3 years ago
6

A circuit contains three light bulbs in parallel. After observation, a fourth light bulb is added, also in parallel. How does th

e intensity of the four light bulb circuit compare with the intensity of the three light bulb circuit? A) it is lower in intensity. B) it is higher in intensity. C) it has the same intensity. D) the circuit is not operational.
Physics
2 answers:
uranmaximum [27]3 years ago
6 0
It has the same intensity.
damaskus [11]3 years ago
4 0

Answer:

C- It has the same intensity

Explanation:

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Water that is moving across Earth’s surface is called
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I'm pretty sure the answer is runoff

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Solids cannot diffuse.

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Calculate the elastic potential energy stored in a spring if it has a force constant of 150 N/m. the spring is extended to a len
Alenkinab [10]

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6.75J

Explanation:

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A motorbike is travelling with a velocity of 3m/s. It accelerates at a rate of 9.3m/s for 1.8s. Calculate the distance it travel
Misha Larkins [42]

Explanation:

Consider the kinematic equation,

x  = vt +  \frac{1}{2} a {t}^{2}

where x is the distance traveled, v is the initial velocity, a is the acceleration and t is time. By plugging in known values and solving for x,

x = 3(1.8) +  \frac{1}{2} (9.3) {1.8}^{2}

through simple algebra we get

x = 20.466

where this is the distance traveled in meters.

4 0
3 years ago
A person weighing 645 N climbs up a ladder to a height of 4.55 m what is the increase in gravitational energy
Lemur [1.5K]

Answer: 2934.75 Joules

Explanation:

Potential energy can be defined as energy possessed by an object or body due to its position.

Mathematically, potential energy is given by the formula;

<em>P.E = mgh</em>

Where P.E represents potential energy measured in Joules.

m represents the mass of an object.

g represents acceleration due to gravity measured in meters per second square.

h represents the height measured in meters.

Given the following data;

Weight =645

Height = 4.55

<em>P.E = mgh</em>

But we know that weight = mg = 645N

Substituting into the equation, we have;

<em>P.E = 645 • 4.55</em>

<em>P.E = 2934.75J</em>

Potential energy, P.E = 2934.75 Joules.

3 0
3 years ago
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