Answers to Problems on page 45!

Since this problem set was already checked in, I'll post answers in order w/ units.

2. 5m south of east
5. in book
10. a) 37.5 m/s North b) Zero, since displacement is zero.
11. 3.0 m/s/s
12. a) -6.9 x 10^-3 m/s/s b) 4.2 m/s (needs to start slowing in plenty of time)
15. No, d= 78.4 m in 4.00 sec.
16. v=vi +gt = 0 + (9.8 m/s/s)(4.00 sec)


Hint for the Shoot the Monkey gizmo: Question number two requires you to draw a right
triangle by drawing in the opposite side and then use SOH CAH TOA (because they give you the angle) to figure out the answer...