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2 years ago

suppose that a disk of indefinite radius is rotated at an angular velocity w in a large volume of liquid

1 answer:

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The central angle relating to an object's position on a circle changes as it moves along a circular path.The rate at which this angle changes with respect to time is known as the angular velocity, denoted by the symbol w.

A Ferris wheel, for instance, might rotate pi / 6 radians every minute.

If a disk of indefinite radius is rotated at an angular velocity $w$ in a large volume of liquid, the liquid will experience a force known as the centrifugal force.

This force is directed radially outward from the axis of rotation and is given by the equation $F = mrw^2$, where $m$ is the mass of the liquid, $r$ is the distance from the axis of rotation, and $w$ is the angular velocity.

The magnitude of the force increases with the mass of the liquid, the distance from the axis of rotation, and the angular velocity of the disk.

Learn more about angular velocity:
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3 years ago

A car is traveling at 7.0 m/s when the driver applies the brakes. The car moves 1.5 m before it comes to a complete stop. If the

viva [34]

Answer:

d. 6.0 m

Explanation:

Given;

initial velocity of the car, u = 7.0 m/s

distance traveled by the car, d = 1.5 m

Assuming the car to be decelerating at a constant rate when the brakes were applied;

v² = u² + 2(-a)s

v² = u² - 2as

where;

v is the final velocity of the car when it stops

0 = u² - 2as

2as = u²

a = u² / 2s

a = (7)² / (2 x 1.5)

a = 16.333 m/s

When the velocity is 14 m/s

v² = u² - 2as

0 = u² - 2as

2as = u²

s = u² / 2a

s = (14)² / (2 x 16.333)

s = 6.0 m

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The correct option is d

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3 years ago

The velocity of particle varies with time as equation

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3 years ago

Read 2 more answers

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inessss [21]

Answer:

- A vibrating object

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HOPE IT HELPS :)

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