Recall the pulling a cart up a changing angle lab.
The amount of force __________ (to an asymptote) with each trial while pulling the car up the hill at an increasing angle.
The work that was done __________ with each trial.
5 points
5
Question 2
2.
Match the 'Example' to the appropriate classifciation:
there was zero displacement
vertical displacement was 4m, the horizontal force was 20N
force directly caused the displacement
there was no force to cause the dispalcement
the item sits on the shelf with 40J of Potential Energy
Work Was Done
No Work Was Done
6 points
6
Question 3
3.
Calculate the work done by a 30-N force (directed at a 10° angle to the vertical) to move a 1-kilogram box a horizontal distance of 400 cm across a rough floor at a constant speed of 0.8 m/s. (Make sure you show your work for partial credit!)
2 points
2
Question 4
4.
If you double the amount of displacement of a spring relative to its equilibrium position, then you __________ the PEspring.
4 points
4
Question 5
5.
There is a ball that is 65m above the zero line that has a mass of 55kg. The ball current PEgrav = _______
4 points
4
Question 6
6.
When you quadruple the speed of an object, you __________ its KE by a factor of __________.
When you reduce the speed of an object by a factor of 3, you __________ its KE by a factor of __________.
4 points
4
Question 7
7.
Determine the kinetic energy of a 70-kg roller coaster car that is moving with a speed of 11.1 m/s.
4 points
4
Question 8
8.
Select all the ways that the skier could increase their height to be above 100m at the next hill?
2 points
2
Question 9
9.
Classify this example.
Unit 07 - Circuits
2 points
2
Question 10
10.
An electrical circuit is simply an energy __________ tool.
4 points
4
Question 11
11.
How much does it cost to power an induction stove that draws 6 amps of current for 32minutes and 45 seconds when plugged into a 240-volt outlet? ( Remember, Centerpoint charges you about $0.16/kWh)
(There are multiple ways to get the correct answer, justify with your shown work!)
8 points
8
Question 12
12.
Predict the appropriate use of parallel or series circuits.
burglar alarm
want a failure to not affect all devices/bulbs
need the components to have the same voltage
want a failure to affect all devices/bulbs
less wires
GFCI recepticals
Series Circuit
Parallel Circuit
6 points
6
Question 13
13.
Match the left equation and phrase with the appropriate term on the right.
measure of the resistance to electrical flow
= I*R
measure of the electrical push through a wire
measure of how much electricity is being pushed
= V/R
= V/I
Ohms
Current
Volts
4 points
4
Question 14
14.
In Ethan's phone charging example, what had to remain the same within the experiment?
2 points
2
Question 15
15.
Ohm's on a Volts vs. Amps graph is the __________.
4 points
4
Question 16
16.
What is the resistance of the wire that produced these results?
2 points
2
Question 17
17.
Where is the electrical resistance the highest?
2 points
2
Question 18
18.
What can affect electrical resistance?
Unit 08 - Simple Harmonic Motion
4 points
4
Question 19
19.
Based on your findings from the 'Mass on a Spring' Lab, predict what would happen to the period.
...the period increases
...the period decreases
As damping increased...
As stiffness decreased...
As mass decreased...
4 points
4
Question 20
20.
Based on your findings from the 'Predict the Pendulum' Lab, predict what would happen to the frequency.
...the frequency increases
...the frequency decreases
As gravity increased...
As the string length decreased...
As mass decreased...
2 points
2
Question 21
21.
A pendulum is observed to complete 36 full cycles in 2 minutes 10 seconds. Determine the period of the pendulum.
2 points
2
Question 22
22.
A pendulum is observed to complete 36 full cycles in 2 minutes 10 seconds. Determine the frequency of the pendulum.
2 points
2
Question 23
23.
A mass is tied to a spring and begins vibrating periodically. The distance between its highest and its lowest position is 60 cm. What is the amplitude of the vibrations?
2 points
2
Question 24
24.
The frequency of a wave describes _____.
Unit 09 - Waves
2 points
2
Question 25
25.
As a transverse wave travels through a rope from left to right, the parts of the rope _____.
2 points
2
Question 26
26.
For a longitudinal wave, the particles of the medium move ______ to the direction that the wave moves.
4 points
4
Question 27
27.
The wavelength of a wave increases if the ______.
4 points
4
Question 28
28.
A sound wave is a pressure wave; regions of high (compressions) and low pressure (rarefactions) are established as the result of the vibrations of the sound source. These compressions and rarefactions result because sound
4 points
4
Question 29
29.
A sound wave is different than a light wave in that a sound wave is
10 points
10
Question 30
30.
Drag and drop each of the following items to the correct category.
considered 'anti-nodal'
considered 'nodal'
two downward pulses traveling in the same direction within a medium
an upward and downward pulse traveling in the same direction within a medium
two upward pulses traveling in opposite directions within a medium
an upward and downward pulse traveling in opposite directions within a medium
Constructive Interference
Destructive Interference
Neither
2 points
2
Question 31
31.
What seperates noise from music?
4 points
4
Question 32
32.
A harmonic ...
2 points
2
Question 33
33.
A blue light wave approaches a mirror at 90degrees, which means that the light wave will reflect off the mirror at _____ degrees.
2 points
2
Question 34
34.
Where could you find all of the visible light in the EM Spectrum?
2 points
2
Question 35
35.
Explain why a piece of paper would appear reddish-orange when hit with ROYGBIV light.