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Bad White [126]
3 years ago
11

A jogger runs 224 meters eastward, then 156 meters

Physics
1 answer:
yawa3891 [41]3 years ago
6 0

Explanation:

Distance is the length of the path traveled.  Displacement is the difference between the final position and initial position.

Distance = 224 m + 156 m + 84 m + 248 m = 712 m

Displacement = 224 m − 156 m + 84 m − 248 m = -96 m

Displacement = 96 m westward

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Is lateral shift or lateral displacement same ?
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When a ray of light passes through a glass slab of a certain thickness, the ray gets displaced or shifted from the original path. This is called lateral shift/displacement.

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What part of an atom can change during a nuclear reaction but cannot change during a chemical reaction
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21. An AC generator has an rms output voltage of 274 V at a frequency of 57.0 Hz.
maks197457 [2]

The answers are as follows;

a) the inductive reactance is 322 ohm

b) The maximum voltage is 387.5 V

c) The rms and maximum currents in the inductor are 1.2 A and 0.85 A.

<h3>What is the reactance?</h3>

The reactance is obtained from;

XL = 2πfL

XL = 2 * 3.14 * 57.0 * 0.900

XL = 322 ohm

The maximum voltage is obtained as;

Vo = Vrms * √2

Vo =  274 V * √2

Vo = 387.5 V

Io = Vo/XL

Io =  387.5 V/ 322 ohm

Io = 1.2 A

Irms = 274 V/322 ohm

Irms = 0.85 A

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4 0
2 years ago
Assuming that the smallest measurable wavelength in an experiment is 0.950 fm , what is the maximum mass of an object traveling
Arada [10]

Answer:

The maximum mass is 2.89x10^{-21}Kg

Explanation:

The wavelength of the electron can be determined by means of the De Broglie equation.

\lambda = \frac{h}{p} (1)

Where h is the Planck's constant and p is the momentum.

\lambda = \frac{h}{mv}  

m = \frac{h}{\lambda v}  (2)

Where m is the mass and v is the velocity.

Before using equation 2 it is necessary to express the wavelength from femtometers to meters.

\lambda = 0.950fm .\frac{1m}{1x10^{15}fm} -- 9.5x10^{-16}m

Finally, equation 2 can be used.

m = \frac{6.624x10^{-34} J.s}{(9.5x10^{-16}m)(241m/s)}

But 1J = Kg.m^{2}/s^{2}

m = \frac{6.624x10^{-34} Kg.m^{2}/s^{2}.s}{(9.5x10^{-16}m)(241m/s)}

m = 2.89x10^{-21}Kg    

Hence, the maximum mass is 2.89x10^{-21}Kg

6 0
3 years ago
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