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IS2 - Spring 2022 Final

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Last updated over 3 years ago
40 questions
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Section 1 - Conservation of Energy & Power
Question 1
1.

At what point does the object have the most potential energy?

Question 2
2.

As Bob jumps off the couch, his potential energy equals 50 J. What is his kinetic energy if his total mechanical energy is still 150 J?

Question 3
3.

If the power rating of a incandescent light bulb is 60 Watts, then how much time does it take the light bulb to run to acheive 120 J of work?

Question 4
4.

Someone wearing skates on a horizontal surface is pushed by a friend with a force of 65 N. How far must the student be pushed in 30 seconds, so that her power is 352 W?

Question 5
5.

If it took the quarterback in the last problem 0.2 [s] to throw the football, what is the quarterback's power rating?

Question 6
6.

In which of the following is potential energy being transformed into kinetic energy?

Question 7
7.

Consider an object falling from a height of 300 m. If we ignore air resistance, its total mechanical energy:

Section 2 - Electricity and Circuits
Question 8
8.

Which of the following is a subatomic particle with a negative charge which is found on the outside of an atom?

Question 9
9.

Unlike charges will repel one another.

Question 10
10.

Which of the following options is the best conductor of an electrical current?

Question 11
11.

Match the circuit diagram to the element it represents

Draggable itemarrow_right_altCorresponding Item
arrow_right_alt
Battery
arrow_right_alt
Light Bulb
arrow_right_alt
Switch
arrow_right_alt
Resistor
arrow_right_alt
Voltmeter
arrow_right_alt
Ammeter
Question 12
12.

Which of the following descriptions best describes the circuit in the picture?

Question 13
13.

Which of the following descriptions best describes the circuit in the picture?

Question 14
14.

Match the unit of measurement to the quantity it measures.

Draggable itemarrow_right_altCorresponding Item
Amperes, [A]
arrow_right_alt
Resistance to charge flow.
Volts, [V]
arrow_right_alt
Electrical current
Ohm, [Ω]
arrow_right_alt
Voltage
Question 15
15.

Study the circuit above and answer the following question.

If an ammeter were placed in the same branch of the circuit as the bulb labelled #3, what current would it read?

Question 16
16.

Study the circuit above and answer the following question.

If an ammeter were placed after the junction after the bulb labelled #2, what current would it read?

Question 17
17.

What is the voltage across an electrical load which has a resistance of 39 Ohms and which has a current of 3 Amperes flowing through it?

Question 18
18.

A smartphone is connected to an external 24 Volt power supply. Calculate the current that the phone draws if it has a resistance of 8 Ohms.

Question 19
19.

A blender is connected to a 120 Volt power supply, and draws a current of 11.5 Amperes. What is the blender's resistance?

Section 3 - Magnets and Electromagnetism
Question 20
20.

If a magnet with two poles is cut in half, it will have only one pole

Question 21
21.

All metals are magnetic.

Question 22
22.

Similar poles of a magnet repel each other.

Question 23
23.

A magnetic force cannot act on an electron when it moves...

Question 24
24.

The north-seeking arrow of a compass points to the magnetic north pole.

Section 4 - Waves
Question 25
25.

What is the lowest point of a wave called?

Question 26
26.

The regions of a wave where the particles are the CLOSEST together in a longitudinal wave are called

Question 27
27.

The measurement from crest to crest or from trough to trough is called what?

Question 28
28.

What is the unit for frequency?

Use the diagram of a wave below to answer questions 29-30. Assume each box is equal to 1 meter.

Question 29
29.

What is the wavelength (in m) of the wave above if each box is 1 meter long?

Question 30
30.

What is the amplitude (in m) of the wave above?

Question 31
31.

What is the frequency for a wave that has a velocity of 20 m/s and a wavelngth of 4 m?

Question 32
32.

Longitudinal waves ...

Question 33
33.

Refraction is . . .

Question 34
34.

The law of reflection states that . . .

Section 5: Space
Question 35
35.

Order these astronomy vocabulary from the largest object to the smallest:

  1. solar system
  2. universe
  3. galaxy
  4. planet
Question 36
36.

As far as we know, there is only one of these. We've only been able to observe approximately 4% of its entire volume.

Question 37
37.

A light year is the distance that light can travel in a year.

Question 38
38.

Which galaxy do we live in?

Question 39
39.

Compared to the earth's solar system, the universe is:

Question 40
40.
As the star approaches the observer, the star appears __________. This phenomenon is called a __________ star.