# pHYSICS hELP rATIONAL SPEEDS OF DISKS

posted by .

If rotational speed of a disc remains constant, what happens to the speed of a point on the disc if its distance from the axis is doubled?

It stays the same

It also doubles

It triples

It quadruples

• pHYSICS hELP rATIONAL SPEEDS OF DISKS -

velocitytangential= rotationalvelocity*radius

• pHYSICS hELP rATIONAL SPEEDS OF DISKS -

it also double

• pHYSICS hELP rATIONAL SPEEDS OF DISKS -

The quantity of space on object occupies

## Respond to this Question

 First Name School Subject Your Answer

## Similar Questions

1. ### physics

A solid disc with radius R is is spinning. An object exerts a force F at the edge of the disc to slow down the disc. The disc slows down to rest in 2.0 seconds. How long would the disc take to stop if: the mass of the disc doubled …
2. ### physics

A digital audio compact disc carries data along a continuous spiral track from the inner circumference of the disc to the outside edge. Each bit occupies 0.60 mm of the track. A CD player turns the disc to carry the track counter-clockwise …
3. ### physics

A digital audio compact disc carries data along a continuous spiral track from the inner circumference of the disc to the outside edge. Each bit occupies 0.60 mm of the track. A CD player turns the disc to carry the track counter-clockwise …
4. ### Physics

A student puts on a Dresden Dolls disc in her cd player which spins at 1800 revolutions per minute. A compact disc has a mass of about 0.016 kg and a radius of 6.0 cm. a) What is the period of rotation in seconds?
5. ### Physics

A student puts on a Dresden Dolls disc in her cd player which spins at 1800 revolutions per minute. A compact disc has a mass of about 0.016 kg and a radius of 6.0 cm. a) What is the period of rotation in seconds?
6. ### physics

A student puts on a Dresden Dolls disc in her cd player which spins at 1800 revolutions per minute. A compact disc has a mass of about 0.016 kg and a radius of 6.0 cm. a) What is the period of rotation in seconds?
7. ### physics

a disc of radius 5.70 cm rotates about its axis and a point 1.90 cm from the center of the disc moves 34.5 cm in 12.2 s .calculate the angular velocity of the disc.
8. ### physics

a disc of radius 5.70 cm rotates about its axis and a point 1.90 cm from the center of the disc moves 34.5 cm in 12.2 s .calculate the angular velocity of the disc.
9. ### physics

A disc revolve with a speed of 33.5 revolution per minute and has a radius of 15 cm .two coin are placed at 4 cm and 14 cm away from the center of disc. Coefficient of friction between coin and disc is 0.5 cm .which of the coin will …
10. ### mit

1 point possible) A uniform disc of radius R and mass m1 is rotating with an angular speed ωi about an axis passing through its center and perpendicular to the disc's plane. A small box of mass m2, initially at the center of the …

More Similar Questions