What was the angle through which it turned

Reference no: EM13517528

The rotor in a centrifuge has an initial angular speed of 430 rad/s. After 4.1 s of constant angular acceleration, its angular speed has increased to 540 rad/s.

(a) During this time, what was the angular acceleration of the rotor?

rad/s2

(b) What was the angle through which it turned?

rad

Reference no: EM13517528

Questions Cloud

Find the electrical energy dissipated in the resistor : A conducting rod slides down between two frictionless vertical copper tracks at a constant speed of 5.3 m/s perpendicular to a 0.62-T magnetic field. Find the electrical energy dissipated in the resistor in 0.21 s

Find how many time constants must elapse : How many time constants (a decimal number) must elapse before a capacitor in a series RC circuit is charged to 75.0% of its equilibrium charge

Estimate the speed of the block : A 1.2 kg block is tied to a string that is wrapped around the rim of a pulley of radius 7.2 cm. find the speed of the block after it has fallen through a height of 0.48 m

Find the average energy density : The intensity of the sunlight that reaches Earth's upper atmosphere is approximately 1335 W/m2. What is the average energy density

What was the angle through which it turned : The rotor in a centrifuge has an initial angular speed of 430 rad/s. After 4.1 s of constant angular acceleration, its angular speed has increased to 540 rad/s. What was the angle through which it turned

Number of major communist revolutions : Though some of Karl Marx’s predictions have come true, the main one failed to materialize, despite the fact that there have been a number of major communist revolutions in the 20th century? Why is that?

Variations of these persisted until quite recently : The kinds of empires that dominated much of the world for thousands of years and usually ruled very culturally diverse populations are no longer possible, though some variations of these persisted until quite recently. Why can they no longer be recre..

Estimate the sign of the charge of this particle : In a 1.25 T magnetic field directed vertically upward, a particle having a charge of magnitude 8.50 ?C, what is the sign of the charge of this particle

The british empire at the start of the 20th century : The British Empire at the start of the 20th century was the greatest that had ever existed, but like the smaller but also huge French Empire of that time, it had already created the seeds of its soon to come demise. Please xplain why this was.

User Account

All Pages