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Step2247 [10]
3 years ago
12

A circuit consists of a wire, two lightbulbs, a switch, and a battery. What

Physics
2 answers:
VMariaS [17]3 years ago
7 0

Answer:

Guy above is correct The circuit would have LESS resistance

Explanation:

sergij07 [2.7K]3 years ago
3 0

Answer:

B. The circuit would have less resistance.

Explanation:

When the lightbulb is replaced in the circuit by a wire, the circuit will have less resistance.

Resistance is the the opposition to the flow of current within a circuit. Both a light bulb and wire are two examples of resistors in a circuit.

  • A wire has a low value of resistance compared to the bulb.
  • This is why the overall resistance will reduce when a light bulb is replaced with a wire.
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A 50kg meteorite moving at 1000 m/s strikes Earth. Assume the velocity is along the line joining Earth's center of mass and the
zysi [14]

As per the question, the mass of meteorite [ m]= 50 kg

                       The velocity of the meteorite [v] = 1000 m/s

When the meteorite falls on the ground, it will give whole of its kinetic energy to earth.

We are asked to calculate the gain in kinetic energy of earth.

The kinetic energy of meteorite is calculated as -

                                       Kinetic\ energy\ [K.E]\ =\frac{1}{2} mv^2

                                                             =\frac{1}{2}50kg*[1000\ m/s]^2

                                                               =\frac{1}{2}50* 10^{6}\ J

                                                               =25*10^6\ J    

Here, J stands for Joule which is the S.I unit of energy.

Hence,\ the\ kinetic\ energy\ gained\ by\ earth\ is\ 25*10^6\ J

4 0
3 years ago
Read 2 more answers
A wave traveling in water has a frequency of 250 Hz and a wavelength of 6.0m. What is the speed of the wave?
vladimir2022 [97]
Since you are looking for the speed, you need to rearrange the formula which is f = speed / wavelength. That should give you speed = f (wavelength.) All you need to do next is to substitute the value to the following equation.  speed = 250 Hz (6.0m) that should leave you with 1500 m/s which is very fast.
6 0
4 years ago
What is voltage, and what is its relationship to amperage and power?
ziro4ka [17]

Explanation:

Amperage is the unit of electric current. It describes the strength of the electric current in a circuit.

The voltage is the driving force of the current in a circuit

Power is a function of voltage and current in the circuit.

   Current is designate as I

    Voltage as V

    Power as P

  I = \frac{V}{R}

Where R is the resistance to flow of electricity

        P = I x V = \frac{V^{2} }{R}

The unit of power is watts and voltage is volts

learn more:

Voltage brainly.com/question/6949231

#learnwithBrainly

 

8 0
3 years ago
You dribble a basketball while walking on a basketball court. List and describe at least 3
Airida [17]

Answer:

1. You push on the ball and the ball pushes on your hand .

2. The ball hits the ground and the ground pushes back on the ball .

3. You walk on the ground with your feet and the ground pushes back on you.

Explanation:

4 0
4 years ago
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Which factors are used to calculate the kinetic energy of an object?
kipiarov [429]

Answer:The factors which are used to calculate the kinetic energy of an object are mass and velocity. Explanation: The kinetic energy is the energy of the motion of an object. Here, m is the mass of the object and v is the velocity of the object.

Explanation:

hope it helps

3 0
3 years ago
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