Sam Faulkner
PHY 203-A
PHY 203 Homework #2
Ch. 3: # 33, 37
Ch. 4: # 27, 83, 91
3.33) For the vectors in Fig. 3-32, with a=4 ,b=3, and c=5 , what are:
a-b) the magnitude and direction of a b
m=ab sin =
Sam Faulkner
PHY 203-A
PHY 203 Homework #8
Ch. 10: # 9, 37, 51 and Ch. 11: #11, 53, 61
9) A stone is dropped at t = 0. A second stone, with twice the mass of the first, is dropped from
the same point
Sam Faulkner
PHY 203-A
PHY 203 Homework #9
Ch. 12: #3, 21, 23, 43 and Ch. 13: #3 and 11
3) A uniform sphere of mass m=0.85
kg and radius r=4.2 cm is held in place by a
massless rope attached to a fric
Sam Faulkner
PHY 203-A
PHY 203 Homework #5
Ch. 9: #5, 19, 27, 51, 61, 79
5) What arefor the uniform plate if
L=5.0 cm?
a) the x coordinate
b) the y coordinate
The entire plate can be divided into 3 di
Sam Faulkner
PHY 203-A
PHY 203 Homework #4
Ch. 7 #11, 13, 19, 23, 41
11) A 12.0 N force with a fixed orientation does work on a particle as the particle moves through
^
^
^
the three-dimensional displ
Sam Faulkner
PHY 203-A
PHY 203 Homework #1
Ch.2: # 3, 15, 29
Ch. 3: # 3, 9, 15
2.3) An automobile travels on a straight road for 40 km at 30 km/hr. It then continues in the same
direction for another
Sam Faulkner
PHY 203-A
PHY 203 Homework #4
Ch. 6: #15, 17, 45, 49, 61
15) The coefficient of static friction between Teflon and scrambled eggs is about 0.04. What is
the smallest angle from the horizo
Sam Faulkner
PHY 203-A
PHY 203 Homework #3
Ch. 5: 25, 31, 33, 35, 53
25) A sun yacht is a spacecraft with a large sail that is pushed by sunlight. Although such a
push is tiny in everyday circumstance
Sam Faulkner
PHY 203-A
PHY 203 Homework #10
Ch. 13: #35, 41, 85 and Ch. 14: #17, 31, 59
35) Let m = 0.020 kg and d = 0.600 m. The total initial gravitational potential energy is
4 G m2 2 G m2
U i=
d
Sam Faulkner
PHY 203-A
PHY 203 Homework #11
Ch. 15: #13, 31, 59 and Ch. 16: 9, 17
13a) The motion repeats every 0.5 s so the period must be T =0.500 s
1
1
13b) The frequency is the reciprocal of the p
Lab 1: Introduction to Motion
Pre-lab
1. Sketch the position-time graph of a girl walking steadily away from a motion
sensor.
12
10
8
Position (m)
6
4
2
0
0
2
4
6
8
10
12
Time (s)
2. If a position-tim