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Viefleur [7K]
3 years ago
12

Which properties define light as a wave?

Physics
1 answer:
Naddik [55]3 years ago
6 0

Properties that define the light is a wave are

1. Speed : speed of light is 300,000 Km /s, It is most fundamenta property of light to define light is a wave

2. Reflection: Light particles or photons reflect off the particles or masses are continue to travel at the same speed.

3. colour

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A moon of mass 1×10^20kg is in a circular orbit around a planet. The planet exerts a gravitational force of 2×10^21n on the moon
vagabundo [1.1K]

Hi there!

In this instance, the centripetal force experienced by the moon is equivalent to the gravitational force.

Thus:
\large\boxed{F_c = F_g}

Centripetal acceleration, according to Newton's Second Law:


\Sigma F = ma \\\\F_c = m * a_c\\\\a_c = \frac{F_c}{m}

Therefore:

a_c = \frac{F_g}{m_m} = \frac{2 * 10^{21}N}{1 * 10^{20}kg} = \boxed{20 N/kg}

6 0
2 years ago
An initially uncharged 3.53 × 10 − 6 F capacitor and a 7290 Ω resistor are connected in series to a 1.50 V battery that has negl
GarryVolchara [31]

Answer:

The initial current, Io = 2.06×10^-4A

Explanation:

The I itial current ,Io of a circuit is given by:

Io = Vo/R

Where Vo = initial votage

R = resistance in ohms

Given:

Vo = 1.50V

R = 7290ohms

Io = 1.50/ 7290

Io = 2.06 ×10^-4A

3 0
3 years ago
Help me... my science is horrible. I will mark brainliest, would prefer fast answer...
Elena L [17]

vacuum walls: prevents heat loss by comduction and radiation

silvered walls prevent loss by radiation

ceramic base prevents loss by conduction

cap prevents by radiation and convection and reduces by comduction

7 0
3 years ago
How often must you check the temperature of food that is being held with temperature control?.
loris [4]

You need to check the temperature of food being stored in a temperature-controlled environment every four hours. The process of changing a space's temperature is called temperature control.

Cooking food alone may not be enough to avoid food poisoning, though, if the bacteria in food are allowed to grow to large numbers. When the temperature is between 5°C and 63°C, bacteria can grow. The risk zone is the range between 5°C and 63°C.

Temperature control is a process where the passage of heat energy into or out of a space or substance is adjusted to achieve the desired temperature. This process involves measuring or otherwise detecting changes in the temperature of the space (and all of the objects contained therein) or of the substance.

Learn more about temperature here

brainly.com/question/11244611

#SPJ4

6 0
1 year ago
A proton is trapped in a one-dimensional well that is 200 pm wide. What is the ground state energy of the proton, if the potenti
Harrizon [31]

Answer:

E=1.50\times 10^{-18}J

Explanation:

Energy of the one dimensional infinite well,

E=\frac{n^{2}h^{2} }{8mL^{2} }

Given that, L=200 pm\\L=200\times 10^{-12}m

For the ground state n=1,

Therefore energy is,

E=\frac{(6.626\times 10^{-34})^{2}}{8(9.1\times 10^{-31})(200\times 10^{-12}) ^{2} }\\E=1.50\times 10^{-18}J

8 0
3 years ago
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