2 years ago

Paying off your debts will most likely

Physics

1 answer:

g100num [7]2 years ago

4 0

I think the answer is d

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Interactive Solution 28.5 illustrates one way to model this problem. A 7.11-kg object oscillates back and forth at the end of a

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Explanation:

Given that,

Mass of the object, m = 7.11 kg

Spring constant of the spring, k = 61.6 N/m

Speed of the observer, $v=2.79\times 10^8\ m/s$

We need to find the time period of oscillation observed by the observed. The time period of oscillation is given by :

$t_o=2\pi \sqrt{\dfrac{m}{k}} \\\\t_o=2\pi \sqrt{\dfrac{7.11}{61.6}} \\\\t_o=2.13\ s$

Time period of oscillation measured by the observer is :

$t=\dfrac{t_o}{\sqrt{1-\dfrac{v^2}{c^2}} }\\\\t=\dfrac{2.13}{\sqrt{1-\dfrac{(2.79\times 10^8)^2}{(3\times 10^8)^2}} }\\\\t=5.79\ s$

So, the time period of oscillation measured by the observer is 5.79 seconds.

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3 years ago

1.What is laser?<br> 2.List the uses of laser in everyday life

oee [108]

Laser means Light Amplication by Stimulated Emission of Radiation.

Uses of laser

DNA sequencing instrument

Cutting and welding materials

Semiconducting chip manufacturing

Military devices

IF YOU LIKE MY ANSWER MARK AS BRAINLIEST

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3 years ago

there are 1.6 km in a mile. the distance between two cities is 248 miles. How many kilometers apart are the two cities?

podryga [215]

1.6 X 248=399.117
hope this helps

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3 years ago

Which best describes the forces identified by Newton’s third law of motion?

egoroff_w [7]

<span>equal and acting on different objects</span>

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3 years ago

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3 years ago