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3 years ago

What is the mass of an object that requires 100n of force in order to accelerate it at 10m/s^2

Physics

2 answers:

Shkiper50 [21]3 years ago

4 0

100.10= 1000

the formula is:

f=m/t

meriva3 years ago

3 0

Answer:

It should be 10kg

Explanation:

m= f/a

100n/10m/s^2=10kg

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The amplitude of a simple harmonic oscillator will be doubled by:a) doubling only the initial speedb) doubling the initial displ

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Answer:

When both initial speed and initial displacement is doubled then amplitude will be doubled.

Explanation:

Given that :- Amplitude of simple harmonic Oscillator is doubled.

So,

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Where X = Position in (m,cm,km.....)

A = Amplitude in (m,cm,km.....)

F = Frequency in (Hz)

T = Time in (sec.)

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For initial displacement taking t=0 we get,

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Now taking equation (1) and differentiating it w.r.t to (t) we get

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$V= 2\pi fA\cos\ (2\pi ft+\phi)$

taking t=0 for initial speed then we get,

Initial speed = $2\pi fA\cos\phi$ ...............(3)

observing equation (2) & (3) that the initial displacement and initial speed depends on the Amplitude of the Oscillator.

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when both initial speed and displacement is doubled then amplitude will be doubled.

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4 years ago

A girl throws a rock horizontally at 10 m/s from the top of a building, 22 m above street level. Assuming free fall conditions a

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$t=\sqrt{\frac{22\times 2}{g}}$

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$R=u_x\times t$

$R=10\times 2.11$

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