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3 years ago

9

When an acrobat reaches the equilibrium position, the net force acting along the direction of motion is zero. Why does the acrob

at swing past the equilibrium position

1 answer:

Sholpan [36]3 years ago

7 0

at equilibrium, velocity is at it's maximum. So it keeps going because an object in motion stays in motion.

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slamgirl [31]

Answer:

Force,friction,inertia and momentum

Explanation:

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3 years ago

A potter's wheel rotating at 215 rev/min is switched off and rotates through 75.0 revolutions prior to coming to rest. What is t

vaieri [72.5K]

Explanation:

Given :

Initial angular velocity =w_i= 215 rev/min

Final angular velocity =w_f= 0

Number of revolutions=n =75.0 rev

Using relation

$w_f^2-w_i^2=2\alpha n$

$0-215^2=2\times 75\alpha$

$-308.1666 rev/min^2=\alpha$

Converting to rad/s^2

$\alpha =-1.45 rad/s^2$

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3 years ago

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ycow [4]

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3 years ago

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LekaFEV [45]

Motion energy is the sum of potential and kinetic energy in an object that is used to do work.

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3 years ago

Which is a correct example of the principle of conservation of momentum? A) reversing of a car at a dead end B) conversion of ra

Hunter-Best [27]

I think the answer would be D.

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3 years ago

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