Significant Figures
1. Determine the number of significant digits in each of the following numbers:
a. 95134.2 g
a.
d.
6
3
b. 0.1689 kg
c. 0.0800000 m
b.
e.
4
3
d. 0.000421 km
e. 4.38 m/s
c.
6
2. Add
Significant Figures
1. Determine the number of significant digits in each of the following numbers:
a. 95134.2 g
a.
d.
b. 0.1689 kg
c. 0.0800000 m
b.
e.
d. 0.000421 km
e. 4.38 m/s
c.
2. Add the follow
Physics 8, Spring 2017
Exam 1, Version A
1) A car is towed to the right at constant speed. Which is the correct (parBal) free body diagram?
B)
D)
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C)
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A)
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2) The gure shows a posiBon vers
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Rubber Lab, v. 1.2
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1. A projectile is launched on level ground at an angle from the horizontal, with initial speed
0 . The projectile reaches the ground again at a time t and at a location x,y.
a. Find
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Section 1 - short answers
In the completely in-elastic collision shown below, what is the final velocity in terms of the
initial velocities and the masses?
=
1 1
1 + 2
What is the rati
Name_ TA name_
Section 1 - short answers
In the completely in-elastic collision shown below, what is the final velocity in terms of the
initial velocities and the masses?
=
1
1
1 +2
What is the fin
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Physics 8: Student Workbook for Physics for Scientists and Engineers 2nd ed.
Important practice: 11.17 11.22
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Determine graphically the average velocities in the intervals between points 0 and 1,
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As a first exercise you will derive the kinematic equations for motion with constant
acceleration in one dimension. Do not look them up. Do not use your notes. See if
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1 (a) Figure 1 shows the positions of a bug scurrying along a circular path at successive seconds (i.e., t = 1s).
Determine graphically the average velocities in the intervals between points 0 and 1,
Discussion #2
In this discussion session we will focus on the acceleration vector. Look at the two
vectors below, and .
Since average acceleration is defined as the difference between the two veloci
Outline
Circular Motion
Rotational vs Linear Kinematics
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Shape of the trajectory is a given circle (in the xy plane for example)
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For c
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3
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Atoms, Molecules, and Ions Worksheet Solutions
1. d
2. d
3. d
4. b
5. b
6. d
7. c
8. a
9. c
10.
a. SeBr4
b. Cu(NO3)2
c. KCN
d. Fe2O3
e. K3N
f. Cr2(CO3)3
g. KClO3
h. HNO2
i. sodium hypochlorite
j. ammo
PHYS 008
Significant Figures and Unit Analysis
Significant Figures:
1. Determine the number of significant digits in each of the following numbers:
a.
d.
a. 95134.2 g
b. 0.1689 kg
c. 0.0800000 m
b.
e.
1. Hourdin, Frederic GEOPHYSICAL RESEARCH LETTERS Vol. 27 No. 15 August 1 st, 2000.
Pages 2245-224
First Source: This source came from some geophysical letters from one scientist who was
studying how