Write an article based on this "Make a schedule. Do your homework. Read critically. Organize your notes, homework, and tests."
article: When you get homework assignments, schedule in time for each of them. Stick to your schedule, so that you always get your homework done on time. Your homework counts for part of your grade, so turning in your homework is important. However, don't just do enough of the work to pass. Actually take the time to work through the assignment. Your homework and reading is a way to reinforce what you're learning in class, and if you take the time to learn it effectively now, you won't have as much studying to do later. Don't just skim through your textbook. Read each sentence thoroughly, taking in the information. If you have a hard time paying attention, try reading it aloud to yourself or a friend. Take some time to look at what the main ideas are. It may help you to take notes on the main ideas, just so you have a general overview. Plus, writing down will help reinforce the information. Have a folder or binder for each class, and keep your notes, homework, and tests organized by section and date. That way, you know where all the materials on one topic are, and you can pull them out to review later.

Write an article based on this "Measure initial angular velocity. Measure final angular velocity. Measure the elapsed time. Calculate the average angular acceleration."
article: The first method for calculating angular acceleration ({\displaystyle lpha }) is to divide the change in angular velocity ({\displaystyle \omega }) over some period of time by the amount of time that is measured. The formula for this can be written as follows: =t=final velocity-initial velocityelapsed time{\displaystyle lpha ={
rac {\Delta \omega }{\Delta t}}={
rac { ext{final velocity-initial velocity}}{ ext{elapsed time}}}} Consider a compact disc at the moment you place it in the CD player. Its initial velocity is zero. As an alternative example, suppose you know from test measurements that the wheels of a roller coaster spin at a velocity of 400 revolutions per second, which is equivalent to 2513 radians per second. To measure negative acceleration over a braking distance, you can use this measurement as the initial velocity. The second piece of information that you need is the angular velocity of the spinning or rotating object at the end of the time period that you want to measure. This is to be called the "final" velocity. A compact disc plays in the machine by rotating at an angular velocity of 160 radians per second. The roller coaster, after applying its brakes to the spinning wheels, ultimately reaches an angular velocity of zero when it stops. This will be its final angular velocity. To calculate the average angular velocity of the spinning or rotating object, you need to know the amount of time that passes during your observation. This can be found by direct observation and measurement, or the information can be provided for a given problem. The owner's manual for the CD player provides the information that the CD reaches its playing speed in 4.0 seconds. From observations of roller coasters being tested, it has been found that they can come to a complete stop within 2.2 seconds from when the brakes are initially applied. If you know the initial angular velocity, the final angular velocity, and the elapsed time, fill that data into the equation and find the average angular acceleration. For the example of the CD player, the calculation is as follows: =t=final velocity-initial velocityelapsed time{\displaystyle lpha ={
rac {\Delta \omega }{\Delta t}}={
rac { ext{final velocity-initial velocity}}{ ext{elapsed time}}}} =16004.0{\displaystyle lpha ={
rac {160-0}{4.0}}} =1604.0{\displaystyle lpha ={
rac {160}{4.0}}} =40{\displaystyle lpha =40} radians per second squared. For the roller coaster example, the calculation looks like this: =t=final velocity-initial velocityelapsed time{\displaystyle lpha ={
rac {\Delta \omega }{\Delta t}}={
rac { ext{final velocity-initial velocity}}{ ext{elapsed time}}}} =025132.2{\displaystyle lpha ={
rac {0-2513}{2.2}}} =25132.2{\displaystyle lpha ={
rac {-2513}{2.2}}} =1142.3{\displaystyle lpha =-1142.3} radians per second squared. Note that acceleration is always going to be in units of some distance measurement "per" time squared. With angular acceleration, the distance is generally measured in radians, although you could convert that to number of rotations if you wish.

Write an article based on this "Research the app that's right for you. Download your app. Enter your E-mail and create a username and password. Enter some basic information about yourself. Verify your account. Select "Active Account. Find free stories."
article:
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