Semester 2 - 30min Physics Final

Last updated about 3 years ago
35 questions
Unit 06 - Energy
4
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

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

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
If you double the amount of displacement of a spring relative to its equilibrium position, then you __________ the PEspring.
4
There is a ball that is 65m above the zero line that has a mass of 55kg. The ball current PEgrav = _______
4
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

Determine the kinetic energy of a 70-kg roller coaster car that is moving with a speed of 11.1 m/s.

4

Select all the ways that the skier could increase their height to be above 100m at the next hill?

2

Classify this example.

Unit 07 - Circuits
2
An electrical circuit is simply an energy __________ tool.
4

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

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

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

In Ethan's phone charging example, what had to remain the same within the experiment?

2
Ohm's on a Volts vs. Amps graph is the __________.
4

What is the resistance of the wire that produced these results?

2

Where is the electrical resistance the highest?

2

What can affect electrical resistance?

Unit 08 - Simple Harmonic Motion
4

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

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

A pendulum is observed to complete 36 full cycles in 2 minutes 10 seconds. Determine the period of the pendulum.

2

A pendulum is observed to complete 36 full cycles in 2 minutes 10 seconds. Determine the frequency of the pendulum.

2

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

The frequency of a wave describes _____.

Unit 09 - Waves
2

As a transverse wave travels through a rope from left to right, the parts of the rope _____.

2

For a longitudinal wave, the particles of the medium move ______ to the direction that the wave moves.

4

The wavelength of a wave increases if the ______.

4

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

A sound wave is different than a light wave in that a sound wave is

10

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

What seperates noise from music?

4

A harmonic ...

2

A blue light wave approaches a mirror at 90degrees, which means that the light wave will reflect off the mirror at _____ degrees.

2

Where could you find all of the visible light in the EM Spectrum?

2

Explain why a piece of paper would appear reddish-orange when hit with ROYGBIV light.