Name:_
Physics A135
Homework # 6
Ref. Ch.24
Mark your answers clearly
1.
The correct form of Ampere's law for circuits with gaps in them is
a.
.
b.
.
c.
.
d.
.
e.
.
2.
If the maximum E-component of an electromagnetic wave is 600 V/m, what is the maximum B

Name:_
Physics A135
Homework # 7
Ref. Ch.25
Mark your answers clearly
1.
Two mirrors are at right angles to one another. A light ray is incident on the first at an
angle of 30 with respect to the normal to the surface. What is the angle of reflection
from

Name:_
Physics A135
Homework # 8
Ref. Ch.26
Mark your answers clearly
1.
A concave mirror has a focal length of 20 cm. What is the position (in cm) of the
resulting image if the image is inverted and four times smaller than the object?
a. 15
b. 25
c. 50
d

Name:_
Physics A135
Homework # 3
Ref. Ch.21
Mark your answers clearly
1.
If a mile of 24-gauge copper wire has a resistance of 0.14 k and the resistivity of copper
is 1.7 108 m, what is the diameter of the wire? (1 mile = 1.6 km)
a. 0.40 mm
b. 0.50 mm
c.

Name:_
Physics A135
Homework # 4
Ref. Ch.22
Mark your answers clearly
1. If you were to travel parallel to an infinitely long straight wire with current I at the
same velocity as the electrons in the wire at a distance a from the wire, the magnitude
of th

Chapter 4
Motion in Two Dimensions
Multiple Choice
1.
At t = 0, a particle leaves the origin with a velocity of 9.0 m/s in the positive y
direction and moves in the xy plane with a constant acceleration of
(2.0i 4.0j) m/s2 . At the instant the x coordinat

1.Modelsareparticularlyusefulinrelativityandquantummechanics,whereconditionsareoutsidethosenormallyencounteredbyhumans.Whatis
amodel? A conceptual, usually simplified description of an idea or process. 3.Iftwodifferenttheoriesdescribeexperimentalobservati

Pre-Test 04b
1.
A body of mass 5.0 kg is suspended by a spring which stretches 10 cm when the mass is
attached. It is then displaced downward an additional 5.0 cm and released. Its position as
a function of time is approximately
a. y = 0.10 sin 9.9t
b. y