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Butoxors [25]
3 years ago
15

A student walks to school at a speed of 1.2 m/s. if the students mass is 53kg, what is the students kinetic energy

Physics
1 answer:
Ludmilka [50]3 years ago
3 0
Kinetic energy = 0.5 x mass x velocity squared
= 0.5 x 53 x (1.2)^2
38.16J
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How will sunlight most likely affect a black shirt on a hot summer day? the temperature of the shirt will depend on how much sun
vladimir2022 [97]

The correct answer is option (C) the temperature of the shirt will increase because all wavelengths of light are absorbed by the shirt.

The relationship of heat and light

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Learn more about the Wavelength of light with the help of the given link:

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5 0
1 year ago
Marine science- question- what is climate change?
Troyanec [42]

Answer:

Defined below

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8 0
3 years ago
a glass bottle of soda is sealed with a screw cap the absolute pressure of the gas inside the bottle is 1.80*10^5 pa. assuming t
eduard

The force exerted by a pressure of any gas over a surface its given by the formula P=F/S (where P is pressure, F force and S surface).

We can multiply both sides of the formula by S to obtain the force.

P*S=(F*S)/S

P*S=F

Solve for P=1.80*10^5 Pa and S=4.10*10^-4 m^2 ([Pa] =[N/m^s])

(1.80*10^5 N/m^s) * (4.10*10^-4 m^2) =F

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8 0
3 years ago
Constants Part A wo charged dust particles exert a force of 7.5x102 N n each other What will be the force if they are moved so t
alexandr1967 [171]

Answer:

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Explanation:

It is given that,

Force acting between two charged particles, F=7.5\times 10^2\ N

We need to find the force if they are moved so they are only one-eighth as far apart.

The force between two charged particles separated at a distance of r is given by :

F=k\dfrac{q_1q_2}{r^2}............(1)

If the charges are one-eighth as far apart then, r' =(1/8)r and new force is given by :

F'=k\dfrac{q_1q_2}{(\dfrac{r}{8})^2}..........(2)

Dividing equation (1) and (2) :

\dfrac{F}{F'}=\dfrac{1}{64}

F'=7.5\times 10^2\ N\times 64

F' = 48000 N

or

F'=48\times 10^3\ N

Hence, this is the required solution.

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How long does a lunar eclipse last? A)seconds B)Minutes C)Days D) Weeks
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Well, it happens a few weeks ahead, then for a total of 3 hours and 40 minutes.
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