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1. 203.12 J: What is the kinetic energy of a jogger with a mass of 65.0 kg traveling
at a speed of 2.5 m/s?
2. kinetic energy, potential energy, work: Joule is a unit of
3. 2.9 m: A box with a mass of 12.5 kg sits on the floor. How high would you need
to lift it to have a GPE of 355 J ?
4. the total amount of energy is constant: The law of conservation of energy is a
statement that
5. Joule: SI unit of Work
6. 1414.2 J: A lawn mower is pushed a horizontal distance of 10 m by a force of 200
N directed at an angle of 45degree with the ground. What is the work of this force?
7. 2 m/s^2: A car accelerates from 10 m/s to 20 m/s in 5.0 seconds. What was the
acceleration?
8. mechanical wave: Waves that require a medium to transfer energy are called
9. hertz: frequency is measured in
10. wavelength: The speed of a wave is its frequency multiplied by its
11. 3 meters: A wave has frequency of 10 Hz and a speed of 30 m/s. What is the
wavelength of the wave?
12. sound wave: What is an example of a longitudinal wave?
13. 20Hz to 20kHz: Normal range of human hearing is from
14. .2 Hz: A period of 5.0 seconds corresponds to frequency of
15. 320 m/s: A wave has frequency of 40 Hz and a wavelength of 8 m. What is the
speed of the wave?
16. Wavelength: The distance from one wave crest to the next wave crest is
17. gamma rays: The electromagnetic waves with the highest frequencies are
called
18. lowest frequencies: Electromagnetic waves with the longest wavelengths have
the
19. radio waves: cell phone signals are transmitted by
20. properties of medium: The main factor which affects the speed of a sound wave
is the
21. .7 m: A sound wave traveling at 350 m/s has a frequency of 500 Hz. What is its
wavelength?
22. wave: A disturbance that transfers energy from place to place is called a
23. crests: The highest part of a transverse waves are called
24. Short wavelength, large amplitude, high frequency: What carries the most
energy?
25. 500 m/s: A wave has frequency of 50 Hz and a wavelength of 10 m. What is the
speed of the wave?
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