PHY 2130 (Reed) Hour Exam 1
Page 1 of 4
Hour Exam 1, PHY 2130 Winter 2015
FORM A
Name (for your information only) _
Take this Exam packet with you. Only turn in the Scantron Sheet & Problem Sheet
During Exam:
Closed book, closed notes, no talking, no cel
Constants
g = 9.8 m/s2
Chapter -5
W = F Cos x
W Fr cos
K Trans
Wnc K U E mech
1 2
1
mv
U grav mgy
U elastic kx 2
2
2
( K i U i ) Wnc ( K f U f )
If Wnc 0, K U 0
Pav
E
t
Chapter 6
p mv
Ki Ui K f U f
P Fv cos
p Ft
If
F
ext 0,
pi p f
I = F t = p
Perfect