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3 years ago

What is impossible for a machine to do

Physics

2 answers:

oee [108]3 years ago

4 0

Answer:

Create a living person.

Explanation:

Annette [7]3 years ago

4 0

Answer: It is impossible for a machine to do a lot of things, like talk like humans, walk, or even speak. A machine is used for making humans lives easier such as a vending machine or a coin machine.

Explanation:

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A) A spaceship passes you at a speed of 0.800c. You measure its length to be 31.2 m .How long would it be when at rest?

rosijanka [135]

Answer:

$l_o =52 \ m$

$l = 37.13 \ LY$

Explanation:

From the question we are told that

The speed of the spaceship is $v = 0.800c$

Here c is the speed of light with value $c = 3.0*10^{8} \ m/s$

The length is $l = 31.2 \ m$

The distance of the star for earth is $d = 145 \ light \ years$

The speed is $v_s = 2.90 *10^{8}$

Generally the from the length contraction equation we have that

$l = l_o \sqrt{1 -[\frac{v}{c } ]}$

Now the when at rest the length is $l_o$

$l_o =\frac{l}{\sqrt{ 1 - \frac{v^2}{c^2 } } }$

$l_o =\frac{ 31.2 }{ \sqrt{1 - \frac{(0.800c ) ^2}{c^2} } }$

$l_o=52 \ m$

Considering b

Applying above equation

$l =l_o \sqrt{1 - [\frac{v}{c } ]}$

Here $l_o =145 \ LY(light \ years )$

$l=145 * \sqrt{1 - \frac{v_s^2}{c^2 } }$

$l =145 * \sqrt{ 1 - \frac{2.9 *10^{8}}{3.0*10^{8}} }$

$l = 37.13 \ LY$

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2 years ago

1) A satellite in orbit around Earth is in uniform circular motion. What is the angle between the velocity vector and accelerati

artcher [175]

Answer:90

Explanation: bc i looked it up

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3 years ago

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wlad13 [49]

3, protons are positive and there are 3 positive atoms visible

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3 years ago

2) A skier stands at rest and begins to ski downhill with an acceleration of 3.0 m/s² {downhill). What is

olga2289 [7]

Answer:

her displacement s=337.5m

Explanation: