PHY 191 Quiz: QUIZ3Green
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Quiz 3 green, phy 191 b, friday, sep 16, 2016 (10 pts) 2: 10 s, 15 s, 18 s, 20 s (2 pts) (4 pts) Question 1: a rocket is launched straight up at a constant acceleration of 8 m/s. 9 seconds after liftoff, a bolt falls off the side of the rocket. How much time later (i. e. , after detaching) does the bolt hit the ground? (pick the closest answer: 6 s. A = 3 i + 4 j and ! Question 2: let : write ! F : what is the magnitude of , what is the direction of ! F (i. e. , angle made w/ x- axis)? j and !
