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2 years ago

A person jumped off a cliff, what would happen?

Physics

2 answers:

Anastaziya [24]2 years ago

8 0

Death would happen, hope this helped

zzz [600]2 years ago

8 0

Answer:

they'd start flying

Explanation:

common sense

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In the formula used to solve problems related to the first law of thermodynamics, what does Q represent? A.internal energy

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B, heat, is the correct answer. Heat is represented by a capital q in thermodynamic equations.

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When the force applied to an object increases, the motion of the object

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4 years ago

Astronauts aboard the ISS move at about 8000 m/s, relative to us when we look upward.How long does an astronaut need to stay abo

Luba_88 [7]

Answer:

#_time = 7.5 10⁴ s

Explanation:

In order for the astronaut to be younger than the people on earth, it follows that the speed of light has a constant speed in vacuum (c = 3 108 m / s), therefore with the expressions of special relativity we have.

t = $\frac{t_p}{ \sqrt{1- (v/c)^2} }$

where t_p is the person's own time in an immobile reference frame,

$t_{p} = t \sqrt{1 - (\frac{v}{c})^2 }$

let's calculate

we assume that the speed of the space station is constant

$t_p = 1 \sqrt{1 - \frac{8 \ 10^3}{3 \ 10^8} }$

$t_p = 1 \sqrt{1- 2.6666 \ 10^{-5}}$

t_ = 0.99998666657 s

therefore the time change is

Δt = t - t_p

Δt = 1 - 0.9998666657

Δt = 1.3333 10⁻⁵ s

this is the delay in each second, therefore we can use a direct rule of proportions. If Δt was delayed every second, how much second (#_time) is needed for a total delay of Δt = 1 s

#_time = 1 / Δt

#_time = $\frac{1}{1.3333 \ 10^{-5}}$

#_time = 7.5 10⁴ s

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3 years ago

As a clump of interstellar gas contracts to become a main-sequence star, its changing position on the H-R diagram tells us _____

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Answer:

how its outward appearance is changing

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H-R diagram is a fundamental tool used to classify stars. The position of stars on the H-R diagram is dependent on its luminosity and temperature.

The position of the star is represented by its outward appearance specially the color. The hottest and brightest the star, the more it lies between the red and blue color range.

The cooler stars lie on the right side of the H-R diagram while the hot stars lie on the left side of the H-R diagram.

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3 years ago

What is Velocity in physics

Jet001 [13]

Answer:

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Explanation:

i hope this helps you

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