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Ahat [919]
3 years ago
15

First, design an experiment you could conduct that might measure current and resistance.

Physics
1 answer:
wel3 years ago
4 0
One simple experiment that you can do would involve a dry cell battery, an LED, connecting wires, a breadboard, and a 220 ohm resistor. Connect all of the components in series. Using a multimeter, measure the resistance and the current across the LED. 
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g When the movable mirror of the Michelson interferometer is moved a small distance X while making a measurement, 246 fringes ar
zhenek [66]

Answer:

X = 69.1 x 10⁻⁶ m = 69.1 μm

Explanation:

The relationship between the motion of the moveable mirror and the fringe count of the Michelson's Interferometer is given by the following formula:

d = mλ/2

where,

d = distance moved by the mirror = X = ?

m = No. of Fringes counted = 246

λ = wavelength of light entering interferometer = 562 nm = 5.62 x 10⁻⁷ m

Therefore,

X = (246)(5.62 x 10⁻⁷ m)/2

Therefore,

<u>X = 69.1 x 10⁻⁶ m = 69.1 μm</u>

5 0
3 years ago
Which wave is a body wave?<br> a. P wave<br> b. L wave<br> c. B wave<br> d. T wave
soldi70 [24.7K]
<span><span>P-waves are a type of body wave, called seismic 
waves in seismology, that travel through a continuum and are the first waves from an earthquake to arrive at a seismograph.</span></span>
8 0
4 years ago
Read 2 more answers
An ice skater accelerates backwards for 5.0 seconds to a final speed of 12 m/s. If the acceleration backwards was at a rate of 1
Lostsunrise [7]

Answer:

Vo = 4.5 [m/s]

Explanation:

In order to solve this problem, we must use the following equation of kinematics.

v_{f}=v_{o}+a*t

where:

Vf = final velocity = 12 [m/s]

Vo = initial velocity [m/s]

a = acceleration = 1.5 [m/s²]

t = time = 5 [s]

Now replacing:

12=v_{o}+1.5*5\\v_{o}=12- (7.5)\\v_{o}= 4.5[m/s]

4 0
3 years ago
Since force is dp/dt, the force due to radiation pressure reflected off of a solar sail can be calculated as 2 times the radiati
QveST [7]

Answer:

8.67×10⁻⁶ N/m²

Explanation:

p = Momentum of a photon

E = Energy of a photon

c = Speed of light

I = Intensity of light

Force = dp/dt

p=\frac{E}{c}

\\\Rightarrow F=\frac{\frac{dE}{dt}}{c}

As given in question

F=2\frac{\frac{dE}{dt}}{c}

Now F/A = Pressure

P=\frac{2I}{c}\\\Rightarrow P=\frac{2\times 1300}{3\times 10^{8}}\\\Rightarrow P=8.67\times 10^{-6}\ N/m^2

∴ Magnitude of the pressure on the sail is 8.67×10⁻⁶ N/m²

4 0
4 years ago
Which graph shows the relationship between temperature, X, and kinetic energy, Y?
alexandr1967 [171]
The choices you've posted don't include any graph that shows it. 
8 0
4 years ago
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