2017 CONCEPTUAL PHYSICS FINAL REVIEW PACKET EXAM BREAKDOWN Topics:

Work/ Power

Energy

Waves/ Radiation

Magnetism

GeosphereDATE: ______TIME: ______ROOM: ______PROCTOR: ______YOU ARE REQUIRED TO BRING: 1. CALCULATOR (YOUR OWN…NO SHARING) 2. PENCIL WITH ERASER. Format:

Open EndedYOU WILL BE GIVEN: 1. FORMULA SHEET / HELP SHEET2. SCRAP PAPER 3. EXAM BOOKLETSDisclaimer: This material represents a general approximation of the types of problems that were engaged in during thesecond half of the year. That is, this should not be your only vehicle of review. THE FINAL IS NOT, I REPEAT, NOT LIMITED TO THE MATERIAL CONTAINED ON THESE PAGES.

Work and Power

1. If it takes 50 J of work to push a crate 6.0 m across a floor, what force was applied to the crate? [8.3 N]

2. How much power is required to lift a 45 N rock 5 meters in 2 seconds? [113 W]

3. A shopping cart is pushed with a force of 85.0 N to the right for 10 seconds. There is a friction force of 50.0 N acting on the wagon, and as a result the wagon accelerates at 3.0 m/s2

a. What is the mass of the wagon? [11.7 kg]

b. What is the coefficient of friction? [0.44]

c. What is the work done by the pushing force ? [12,750 J]

d. How much power is needed to push the cart? [1275 Watts]

e. What is the work done by the friction force? [-7500 J]

Conservation of Energy

Key terms (know what they are and how they are determined):

  1. Potential energy
  1. Kinetic Energy
  1. Work done by friction

1. What happens to the kinetic energy of an object if its velocity is tripled? Its mass is tripled? Its velocity is quadrupled?

2. Can an object have negative kinetic energy? Explain…

3. A car going 5 m/s increases its velocity to 7 m/s. How much will its kinetic energy increase?

[by 24 J]

4. A ball going 6 m/s has a kinetic energy of 450 J. What is the mass of the ball?

[25 kg]

5. How high would a 3.9 kg ball have to be in order to have 345 J of potential energy?

[9 m]

6. A rock on top of an 8 m tall hill has 380 J of potential energy. What must be the mass of the rock?

[4.85 kg]

7. How much potential energy will a spring (k = 48 N/m) have if it is compressed 0.85 m?

[17.3 J]

8. State the law of conservation of energy.

9. Explain what friction does to the energy of a system.

10. A 15.0 kg sled has an initial speed of 3.25 m/s at the top of a hill that is 12.0 m high. What will be its velocity when it reaches the bottom?

[15.7 m/s]

Waves

1. Define the following (include the units for each):

A. Types of waves

B. Period

C. Amplitude

D. Frequency

E. Medium

2. A wave pulse traveling to the right along a thin cord reaches a discontinuity where the rope becomes thicker and heavier. What is the orientation of the reflected and transmitted pulses?

A) Both pulses are right side up.

B) The reflected pulse returns right side up while the transmitted pulse is inverted.

C) The reflected pulse returns inverted while the transmitted pulse is right side up.

D) Both pulses are inverted.

3. The figure shows the displacement y of a wave at a given position as a function of time and the displacement of the same wave at a given time as a function of position. Determine the frequency of the wave.

A) 4.0 Hz

B) 0.50 Hz

C) 3.0 Hz

D) 0.33 Hz

E) 0.25 Hz

4. What is the wavelength used by a radio station that broadcasts with a carrier frequency of 920,000 Hz?

A) 22.6 m

B) 226 m

C) 326 m

D) 175 m

E) 276 m

5.. If a wave has a wavelength of 25.4 cm and a frequency of 1.63 kHz, its speed is closest to

A) 0.414 m/s

B) 41.4 m/s

C) 414 m/s

D) 41,400 m/s

E) 15.6 m/s

6.. Of the following, which is not electromagnetic in nature?

A) microwaves

B) gamma rays

C) sound waves

D) radio waves

11.Draw constructive interference:

12.Draw destructive interference:

13.If a wave hits a fixed end the reflected wave will ______

14.If a wave hits a free end the reflected wave will ______

15.

Label the flowing parts of a power plant:

A

B

C

D

E

F

G

H

I

J

K

L

Compare and Contrast 3 Mile Island and Chernobyl

Electromagnetism

29. Define the following

A. Magnets

B. Magnetic Field Induction

C. Electromagnetism

Draw the direction a compass will point.

Geosphere:

Fill in the chart about plate boundaries

Divergent / Convergent / Transform
Movement
Earthquakes
Volcanos
Sea Floor Age
Topography