Kinematics Solutions
PositionTime and VelocityTime Figures
Questions 1 8. See in class discussion and request assistance in class.
Gathering Information from velocity-time graphs
Questions 9 15. See in class discussion and request assistance in class.
Sim
Scalars and Vectors
Question #.1
1.
Express the following speeds in m/s:
a.
b.
c.
d.
e.
5.0 km/h
10.0 cm/s
1.20 x 102 cm/min
4.00 x 102 cm/s
6.00 x102 km/h
Reasoning:
The key to this question, is knowing the units for conversion. By knowing that, one woul
KinematicsQuestions
PositionTime and VelocityTime Figures
1.
a.
b.
c.
Describe in detail how the objects represented in the above graph moves from t = 0 s to t = 20 s.
On a separate piece of graph paper, provide a velocity-time figure that corresponds to
Scalars and Vectors
Scalar Description of Motion
1.
Express the following speeds in m/s:
a.
b.
c.
d.
e.
2.
5.0 km/h
10.0 cm/s
1.20 x 102 cm/min
4.00 x 102 cm/s
6.00 x102 km/h
A car travels a distance of 400 km in a time of 8.0 h at constant speed.
a.
b.
c
POWER RELATIONSHIPS
1.
The following is a data table of Force and Energy:
Force, F (N)
0.0
Energy, E (J)
0.0
1.0
1.0
2.0
3.0
4.0
4.0
9.0
16.0
Treat force as the manipulated or independent variable. If one plots a graph of Energy vs Force the
graph has the
Using Measured Quantities in Calculations
1.
Determine the number of significant digits in each of the following values:
a.
b.
c.
d.
e.
f.
g.
h.
2.
Write the following values to indicate 3 significant digits.
a.
b.
c.
d.
e.
f.
g.
h.
i.
3.
1.05 mL
250 g
20
Physics 20
Unit 1: Introduction
Questions for this unit should be
completed as the discussion
progresses, see Scalar and
Vector Questions with posted
solutions
Measurement
Accuracy: how close a measurement comes to
the actual dimension or true value of w
Part 1
Langth of pendulum: 0.5 m
Mass (Kg) Period (s)
0.2 1.53846
0.5 1.53846
0.7 1.53846
1 1.53846
Amplitude : 20
Period vs. Mass Graph for a Pendulum
2
Period (s)
1.5
1
0.5
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
Mass (kg)
Period (s) Mass (Kg)
1.538
MouseTrapCarPackage
DaniyaalZ,OmarH
1/9/2013
Physics 20
Rolling Friction Lab Revised Final Copy
Problem: What is the coefficient of rolling friction between the wheels of your
mousetrap car and the surface of the lab bench?
Hypothesis: We think that the c
MouseTrapCarPackage
DaniyaalZ,OmarH
1/8/2013
Physics 20
Rolling Friction Lab
Problem: What is the coefficient of rolling friction between the wheels of your
mousetrap car, and the surface of the lab bench?
Hypothesis: We think that the coefficient of stat
Log of Car Development and Testing
28th September 2012 basic structure of car was constructed. Regular sized
Cds were added to front and back. A 6 arm was added, along with an 18.5
string.
29th September A test was conducted, testing the distance the car
Log
28th September 2012 basic structure of car was constructed. Regular sized
Cds were added to front and back. 6 arm was added, along with an 18.5
string.
29th September A test was conducted, testing the distance the car travelled.
The car travelled 13 m
S10 Unit B Physics:
Uniform Motion Lab
Name: _
Date: _
Question: What are the qualities of the uniform motion of a dynamics cart? What is the
shape of a distance vs. time graph? What information can be determined from these
graphs?
/22
Hypothesis (Answer