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Julli [10]
2 years ago
11

You have a large metal sphere that starts out isolated and has no net charge. Then you bring a positively charged rod near it wi

thout touching.
Will there be a force between the sphere and rod?

Draw a qualitative diagram showing the location of the charges in the metal sphere once the rod is brought near.

Physics
1 answer:
liq [111]2 years ago
6 0

Answer:

Yes

Explanation:

There will be a force because the large metal sphere is polarized when the rod is placed close to it, this happens because the metal sphere has free electrons and they will be attracted by the positively charged rod, the sphere will remain neutral as a whole (the same number of negative and positive charge), but a portion of the sphere will become more positive and the other more negative, creating this force.

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The earth makes one complete revolution around the sun in 365.24 days. Assuming that the orbit of the earth is circular and has
Anni [7]

Answer:

The magnitudes of the speed and acceleration of the Earth are approximately 66,661.217 miles per hour and 47.782 miles per square hour, respectively.

Explanation:

Given that the Earth has a circular orbit and make a revolution at constant speed around the Sun. Then, the kinematic formulas for the speed and acceleration of the planet are, respectively:

Speed

v = \frac{2\pi\cdot R}{T} (1)

Acceleration

a = \frac{4\pi^{2}\cdot R}{T^{2}} (2)

Where:

v - Speed of the planet, measured in miles per hour.

a - Acceleration of the planet, measured in miles per square hour.

R - Radius of the orbit, measured in miles.

T - Period of rotation, measured in hours.

If we know that R = 93,000,000\,mi and T = 8,765.76\,h, then the magnitudes of the speed and acceleration of the planet is:

v = \frac{2\pi\cdot (93,000,000\,mi)}{8,765.76\,h}

v \approx 66,661.217\,\frac{mi}{h}

a = \frac{4\pi^{2}\cdot (93,000,000\,mi)}{(8,765.76\,h)^{2}}

a\approx 47.782\,\frac{mi}{h^{2}}

The magnitudes of the speed and acceleration of the Earth are approximately 66,661.217 miles per hour and 47.782 miles per square hour, respectively.

3 0
2 years ago
Give two ways in which the water vapour changes as it passes down the glass tube in the condenser
SCORPION-xisa [38]
<span>It changes from a liquid into a solid which means it is changing states. It also is changing temperature due to the condenser increasing or decreasing the temperature in order for the vapor to be transformed in liquid.</span>
6 0
2 years ago
Two wave pulses pass each other on a string. The pulse traveling toward the right has positive amplitude, whereas the pulse trav
GalinKa [24]

Answer:

destructive interference occurs

5 0
3 years ago
In a photoelectric effect experiment, electrons emerge from a copper surface with a maximum kinetic energy of1.10eVwhen light sh
V125BC [204]

5.610^-26 m  is closest to the wavelength of the light.

E=K.E - Work function

hc/λ=1.10-4.65

hc/λ=3.50

λ=hc/3.50

λ=6.626×10 −34J⋅s×3×10^8

λ=5.610^-26 m

Because the relationship between wave frequency and wavelength is inverse, gamma rays have extremely short wavelengths that are only a fraction of the size of atoms, whereas other wavelengths can reach as far as the universe. Regardless of the medium they travel through, electromagnetic radiation's wavelengths are typically expressed in terms of the vacuum wavelength, even though this isn't always stated explicitly.

The wavelength of electromagnetic radiation affects its behavior. The speed of light is equal to wavelength times frequency. Frequency multiplied by the Planck constant equals energy. 1/wavelength is the wave number in cm. Along with the wavelengths of different parts of the electromagnetic spectrum, a rough estimation of the wavelength size is displayed.

To know more about  wavelength visit : brainly.com/question/14530620

#SPJ4

5 0
11 months ago
__________ research is designed to measure the association between variables that are not manipulated by the researcher.
Sliva [168]

Answer:

Option c. Correlational

Explanation:

Correlational research is basically a method of carrying out a research where an experiment can not be conducted and where a researcher has to figure out that whether the two variable are in association with each other and if these are related then in what way the association between these two exists without any manipulation from the researcher's end.

It seeks to understand, measure and make assessment of the relationship or  

association between these variables but can not find out if a variable is caused by the other variable.

3 0
3 years ago
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