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2 years ago

Y’all wann trade in rob.lox I have a violet Valkyrie

Physics

2 answers:

Advocard [28]2 years ago

8 0

Answer:

No no no no no no no no no no no no no

romanna [79]2 years ago

8 0

Pay me, I want 600k by 2:00

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Two golf balls are thrown with the same speed off the top of a large bridge at the same time. ball a is thrown straight downward

iren2701 [21]

I think that ball a hit the ground because it says that it went straight down.

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3 years ago

What is the voltage of a motor that draws a current of 2 a and produces 240 w of power?

MA_775_DIABLO [31]

Here Power = Voltage * Current

So, Voltage = Power/Current

Put the values,

V = 240/2

V = 120 V

In short, Your Final Answer would be: 120 Volts

Hope this helps!

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3 years ago

A satellite of mass M = 270kg is in circular orbit around the Earth at an altitude equal to the earth's mean radius (6370 km). A

zubka84 [21]

To solve this problem we will apply the concepts related to Orbital Speed as a function of the universal gravitational constant, the mass of the planet and the orbital distance of the satellite. From finding the velocity it will be possible to calculate the period of the body and finally the gravitational force acting on the satellite.

PART A)

$V_{orbital} = \sqrt{\frac{GM_E}{R}}$

Here,

M = Mass of Earth

R = Distance from center to the satellite

Replacing with our values we have,

$V_{orbital} = \sqrt{\frac{(6.67*10^{-11})(5.972*10^{24})}{(6370*10^3)+(6370*10^3)}}$

$V_{orbital} = 5591.62m/s$

$V_{orbital} = 5.591*10^3m/s$

PART B) The period of satellite is given as,

$T = 2\pi \sqrt{\frac{r^3}{Gm_E}}$

$T = \frac{2\pi r}{V_{orbital}}$

$T = \frac{2\pi (2*6370*10^3)}{5.591*10^3}$

$T = 238.61min$

PART C) The gravitational force on the satellite is given by,

$F = ma$

$F = \frac{1}{4} mg$

$F = \frac{270*9.8}{4}$

$F = 661.5N$

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3 years ago

How does a sound wave transfer energy to your ears?

inessss [21]

Answer:

I think it's C!

Explanation:

Sound waves travel at 343 m/s through the air and faster through liquids and solids. The waves transfer energy from the source of the sound, e.g. a drum, to its surroundings. Your ear detects sound waves when vibrating air particles cause your eardrum to vibrate. The bigger the vibrations the louder the sound.

Hope this helps!

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2 years ago

10)A car is moving from rest and attained a velocity of 80 m/s. Calculate the

Mashcka [7]

Explanation:

the velocity graph of a ball mass 20mg moving along a straight line

5 0

3 years ago

Read 2 more answers