Midterm Week 4
Question 1.1. (TCO 1) Write 3.2 x 10-4 in decimal form. (Points : 20)
.00032
Question 2.2. (TCO 2) While driving at 75 km/h, how far can you travel in 1.25 hours? (Points : 20)
Vavg=s/t or s=Vavg*t
s=75km/h*1.25h
s=93.8km/h
Question 3.3. (T
Chapter 5 Questions:
1) A crate of mass 6.00 kg is moved by a force of 18.0 N. What is its acceleration?
A= 18.0N/6.00kg
A= 3.0m/s2
7) A truck pulls a trailer with a frictional force of 870 N and a coefficient of friction
of 0.23. What is the trailers nor
Quiz 3 Newtons Laws
Question 1.1. (TCO 3) What force is necessary to produce an acceleration of 6.00 m/s^2 on a mass of
5.0 kg? (Points : 4)
1.20 N
.833 N
11.0 N
30.0N
Question 2.2. (TCO 3) Find the 75.0-kg astronauts weight on the moon, where g= 1.63
m/s
Physics 204 Experiment 1
Measurement Laboratory Data Sheet
Name: _Gabrielle Taylor_ Date: _1/10/2016_ (20 points as marked)
1. (1 point) What is the precision of the caliper?
.001mm
2. (2 points) Record your measurements of the diameter of the quarter in
1) Give the metric prefix for each value: 1000 Kilo
3) Give the metric symbol, or abbreviation, for each prefix: Micro
5) Write the abbreviation for each quantity: 45 milligrams
9) Which is larger? 1 L or 1 m3
45mg
1m3
17/23) Fill in each blank (round to
Jason Bell
10 Review Problems: Chapter 9, page 261, Problems 1, 7, 9, 11, and 13 and Chapter 10, page 291,
Problems 3, 7, 9, 10, and 11.
1
Angular velocity is measured in
(a) revolutions/minute.
(b) radians/second.
(c) revolutions/second.
(d) all of the a
Weekly iLab
ECT125: Week 4 iLab 1
iLab Steps
Part I: Power Ratings
Step 1: Power Rating Observation and Notation
1.
Locate the safety sticker on the equipment in the laboratory. Examine the power rating of
the equipment. Complete the table below for the e
Physics 204(O) Experiment 7
Conservation of Energy (Falling Ball)
DATA SHEET
Name: Jason Bell Date: 8/8/2015
Part 1 Free Fall
1. Paste your position-time graph below.
2. Paste your velocity-time graph below.
3. Do a straight-line fit on each of the straig
Physics 204 Experiment 6
Conservation of Momentum: Collisions
DATA SHEET
Name: Jason Bell Date: 8/8/2015
1. (1 point) Paste the Vx-time plot from phys204_lab6_inelastic1.trk here.
2. (4 points) Record the measured initial and final average velocities of t
Physics 204 Experiment 5 (O)
Newtons Second Law
DATA SHEET
Name: Jason Bell
Date: 7/24/2015
Prediction
1.
What happens to an object when you apply a net force to it?
The object moves in the direction of the applied force. Depending on the total mass of th
Physics 204 Experiment 4
Projectile Motion
111Chapter
DATA SHEET
Name: Jason Bell
Date: 7/24/2015 (20 points)
1. (1 point) Paste the Vy-time plot with fit for the ball below.
2. (3 points) Enter three values for the vertical acceleration of the ball from
Physics 204(O) Experiment 9
Conservation of Energy: The Electrical Equivalent of Heat
DATA SHEET
Name: Jason Bell Date: 8/15/15
1.
2.
3.
4.
5.
The measured resistance of the heater is
10.4 .
The voltage applied across the heating resistor is
5.9V.
The pow
Physics 204(O) Experiment 8
Newtons Law of Cooling
DATA SHEET
Name: Jason Bell Date: 8/15/15
Prediction
1.
How long does it take for a thermometer to reach the same temperature as that of its surroundings?
Just around 3 minutes.
2.
If I want my coffee to
Jason Bell
10 Review Problems: Chapter 14, pages 405406, Problems 1, 3, 9, 11, 12, 14, 15, 17, 21, and 23.
1
Change 344 K to degrees Celsius.
C = 0
K = -273.15
C = (344K 273.15) * 1
C = 70.85000000000002 * 1.000000
C = 70.85000K
3
Change 5110C to degrees
Jason Bell
10 Review Problems: Chapter 8, page 228, Problems 1, 2, 4, 5, 8 11, 12, 13, 14, and 15.
1
How many joules are in one kilowatt-hour?
P = e/t
1000j/s
1000j * 3600s
3.6* 10^6 = 3,600,000 joules = 1 kwh
2
An endloader holds 1500 kg of sand 2.00 m o
Jason Bell
7/24/2015
10 Review Problems: Chapter 5, page 143, Problems 1, 7, 9, 13, and 15 and Chapter 6, page 163,
Problems 3, 7, 9, 10, and 11.
1
A crate of mass 6.00 kg is moved by a force of 18.0 N. What is its acceleration?
A=f/m
A = 18.0N / 6.00kg =