PHYS 1111L- Midterm Exam Guide - Comprehensive Notes for the exam ( 50 pages long!)
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Average acceleration: average acceleration is defined as the ratio of change in velocity to the change in time for a given interval. Unlike instantaneous acceleration, average acceleration is calculated for a given interval. Average acceleration is calculated by the following formula, Here, v is the change in velocity and t is the total time over which the velocity is changing. Here the change in velocity and time can be expressed as the difference in the initia l and the final velocity. Let us say, the initial time is denoted by ti, and the velocity at this time is observed to be vi. After some time it attains the final velocity vf when the time is tf. The above expression for average acceleration can be written as. Here, the initial velocity is vi, the final velocity is vf, the initial time is ti and the final time is tf.