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jeka57 [31]
3 years ago
12

"Younger teens often brag about a lack of sleep, but that usually stops when they get older. Why do you think that is?"

Physics
1 answer:
svet-max [94.6K]3 years ago
3 0

as we grow up we kinda experience some age staging so a teen got a lotta stuff going on they wanna be social active they be working on their popularity. so i guess thats it

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We have the equation of motion s = ut + \frac{1}{2} at^2, where s is the displacement, a is the acceleration, u is the initial velocity and t is the time taken.

Here s = 300 m, u = 0 m/s, a = 9.81 m/s^2

Substituting

   300 = 0*t+\frac{1}{2} *9.8*t^2\\ \\ 4.9t^2 = 300\\ \\ t =7.82 seconds

Now we have v = u+at, where v is the final velocity

Here u = 0 m/s, a= 9.81 m/s^2 and t = 7.82 seconds

Substituting

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The speed with which the penny strikes the ground = 76.68 m/s.

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can someone answer my question

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