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This is first exam with prof Mo physics 201
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Watermark^ Wondershare^ PDFelement
1. Time it takes to change velocity with a given acceleration
wjsun sbbsjjksksks.
2. a) What is the average acceleration over a certain distance as you change your velocity?
b) How much time it takes to run that distance?
3. What is the coefficient of kinetic friction if an object with initial velocity comes to rest over some distance? 4. An object is moving with constant acceleration. How far does the object move during a time where the change in velocity is given? 5. Atwood’s machine where two different objects are connected with a string over a pulley. Here you typically do two calculations:
a) Calculate the magnitude of the acceleration of the system
b) Calculate the tension in the string.
6. A projectile problem with an object shot horizontally with known velocity from the roof of a building with a known height.
(a) Determine the time necessary for the projectile to reach the ground below.
a = k 0.34 time 4.14 vi
kjgysbhbsbhsbj;ab
Watermark^ Wondershare^ PDFelement
