Decide how many revolutions it made while spinning up

Reference no: EM13667148

A wheel is spinning at 47 rad/s. It undergoes an angular acceleration of 21rad/s² until it reaches an angular velocity of 489 rad/s.

1. Decide how long it took to spin up.

2. Decide how many revolutions it made while spinning up.

Reference no: EM13667148

Questions Cloud

What is the volume of the object : An object is solid throughout. When the object is totally submerged in ethyl alcohol, its apparent weight is 15.1 N. When completely submerged in water, its apparent weight is 12.8 N. What is the volume of the object?

Determine how much larger will the beetle appear : A child is looking at a beetle that is 25 millimeter (10 inches) away, with the unaided eye. Determine how much larger will the beetle appear

Horizontal spring is oscillating back-frictionless surface : An object attached to a horizontal spring is oscillating back and forth along a frictionless surface. The maximum speed of the object is 1.84 m/s, and its maximum acceleration is 7.07 m/s2.How much time elapses among an instant when the object's spee..

Obtain the minimum and maximum time for light to travel : A 5 kilometer long multimode optical fiber has a fiber index of nf = 1.6000 and cladding index of nc =1.5455. Obtain the minimum and maximum time for light to travel through the fiber

Decide how many revolutions it made while spinning up : A wheel is spinning at 47 rad/s. It undergoes an angular acceleration of 21rad/s2 until it reaches an angular velocity of 489 rad/s. Decide how long it took to spin up. Decide how many revolutions it made while spinning up.

Compute the velocity of bomb just before it hits the ground : A fighter jet going 350 km/h dives at an angle of 25o to the vertical. Compute the velocity of the bomb just before it hits the ground

Did the temperature of the gas increase or decrease : A system of ideal gas is expanded adiabatically to1.76 times its volume, while doing 517 J of work. Did the temperature of the gas increase or decrease? How much heat was transferred? Did the temperature of the gas increase or decrease?

Compute what is the lamp mass : A light lamp hangs vertically from a cord in a descending elevator that decelerates at 2.4 m/s2. If the tension in the cord is 94 Newton, compute what is the lamp mass

What is the amplitude of the subsequent oscillations : A 1.5 kg block is attached to a spring by spring constant 16 N/m. While the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 40 cm/s. What is the amplitude of the subsequent oscillations? What i..

User Account

All Pages