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JJ91284

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**Physics Problems ? (particle acceleration)**

I'm working on my last 2 of 30 or so physics problems and am pretty lost on what to do/how to even start. The homework is due in exactly 3 hrs, I already have an "A" on this assignment but would like to squeeze on these last 6 points or so.

Question 6

A particle experiences a constant acceleration that is north at 100 m/s2. At t = 0, its velocity vector is 45 m/s east. At what time will the magnitude of the velocity be 100 m/s?

Question 7

An accelerometer-a device to measure acceleration-can be as simple as a small pendulum. Suppose you are flying a small plane in a straight horizontal line and your accelerometer hangs 11° behind the vertical, opposite the direction of motion. What is your acceleration?