Names:_
Physics 103 Group Session for Chapter 31 & 32
1) In electrically neutral atoms, how many
38
(a) protons are in the uranium 292 U nucleus?
(b) neutrons are in the mercury
202
80 Hg nucleus?
(c)
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Physics 103 Group Session for Chapter 24 26-Solutions
1) The police car is moving to the right at 27 m/s, while the speeder is coming up from behind at a speed of 39 m/s.
9
Assume that the ele
Velcome to the Vorld of Vectors
sa Bradley M.S. Physics 101
Scalars & Vectors
Scalar Quantity:
Has magnitude only, no direction Can be expressed with a single number (and units)
Vector Quantity:
Has
Physics 101/102/103 Syllabus
Welcome to the Physics 101/102/103 Sequence! Be prepared for a fun and exciting year as we explore the concepts of Mechanics,
Electricity and Magnetism, Waves, Optics, and
Physics 101 Conversions and Powers of Ten Exercise
The purpose of this exercise is to become familiar with how to convert between units and power of ten
notations.
Conversions
Scientists use the Inter
1
Chapter 32 Homework Solutions
1.
SSM WWW REASONING The biologically equivalent dose (in rems) is the product of the absorbed
dose (in rads) and the relative biological effectiveness (RBE), according
1
Chapter 31 Homework Solutions
1.
A
SSM REASONING For an element whose chemical symbol is X, the symbol for the nucleus is Z X ,
where A represents the total number of protons and neutrons (the nucle
Chapter 30 Home Work Problems - Solutions
_
1.
SSM REASONING Assuming that the hydrogen atom is a sphere of radius ratom, its volume Vatom is
given by
4
3
ratom.
3
Similarly, if the radius of the nuc
Chapter 29 HW Solutions
1.
REASONING AND SOLUTION The energy of a single photon is
E = hf = (6.63 1034 Js)(98.1 106 Hz) = 6.50 1026 J
The number of photons emitted per second is
Power radiated
5.0 10
Ch 27 HW Solutions
1.
SSM REASONING AND SOLUTION To decide whether constructive or destructive interference
occurs, we need to determine the wavelength of the wave. For electromagnetic waves, Equation
Chapter 26 Home Work Solutions
_
1.
SSM REASONING The substance can be identified from Table 26.1 if its index of refraction is known.
The index of refraction n is defined as the speed of light c in a
Chapter 25 Home Work Problem Solutions
3.
REASONING The drawing shows
Bird
the bird in the plane mirror, as seen
camera. Note that the image is as far
mirror as the bird is in front of it.
the distanc
1
CH 24 HW Solutions
_
1.
REASONING The distance traveled by the X-rays is equal to their speed multiplied by the elapsed time.
Therefore, the elapsed time is equal to the distance divided by the spee
Names:_
Physics 103 Group Session for Chapter 27, 29, & 30 - Solutions
o
1) The dark fringe for m = 0 in a Youngs double-slit experiment is located at an angle of = 15 . What is the angle that
locates