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Evgen [1.6K]
3 years ago
12

Note: Plagiarism will be reported

Physics
2 answers:
iren [92.7K]3 years ago
6 0
Y no me han dicho que me ha dado un teléfono y me ha dicho la policía que han dado la cara para la que ha sido un policía que han dicho nada que no se han dado cuenta de
Kisachek [45]3 years ago
4 0

Answer:

Explanation:

Newton's Law Of Gravity states two masses will have an attraction force that is proportional to their masses and inversely proportional to the square of their separating distance.

Mathematically it is expressed as Force = G * M1 * M2 / d^2 where

G is the gravitational constant, M1 and M2 are the masses and d is the separating distance.

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2. An overseas jet requires 6 hours to fly 9700 km. What is the jet's speed?
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Most commercial aircraft typically fly at around 460-575 mph, or 740-930 km/h, according to Flight Deck Friend. But private jet speed can vary depending on a variety of factors, such as the weight onboard and the weather conditions.

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2 years ago
Most of the Earth's surface is covered by what?
Fudgin [204]

most of the earth is covered with oceans

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A wave is traveling through a medium ad it travels it displaces particles of matter in the same direction as the wave is traveli
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I think it's longitudinal wave because the particles move parallel to the direction that the wave is traveling. 
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A ball is launched vertically with an initial speed of y˙0= 50 m/s, and its acceleration is governed by y¨=-g-cDy˙2, where the a
stira [4]

Answer:

Explanation:

Given

acceleration is given by

a=-g-c_Dv^2

where \ddot{y}=a

\dot{y}=v

Also acceleration is given by

a=v\frac{\mathrm{d} v}{\mathrm{d} s}

ds=\frac{v}{a}dv

\int ds=\int \frac{v}{-g-0.001v^2}dv

\Rightarrow Let -g-0.001v^2=t

-0.001\times 2vdv=dt

vdv=-\frac{dt}{0.002}

at\ v_0=50\ m/s,\ t=-g-0.001(50)^2

t=-g-2.5

at v=0,\ t=-g

\int_{0}^{s}ds=\int_{-g}^{-g-2.5}\frac{-dt}{0.002t}

\int_{0}^{s}ds=\int^{-g}_{-g-2.5}\frac{dt}{0.002t}

s=\frac{1}{0.002}lnt|_{-g}^{-g-2.5}

s=\frac{1}{0.002}\ln (\frac{g+2.5}{g})

s=113.608\ m

when air drag is neglected maximum height reached is

h=\frac{v_0^2}{2g}

h=\frac{50^2}{2\times 9.8}

h=127.55\ m

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3 years ago
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The most frequent compulsion that is exhibited in obsessive compulsive disorder is cleansing 
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