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10. A car has an initial velocity of 40 m/s. It stops over a
distance of 120 m when the brakes are applied. How long
does it take for the car to stop? What is the car's
deceleration?
a. 6 sec, 6.67 m/s2
c. 9 sec; 10.02 m/s2
b. 3 sec; 3.34 m/s2
d. 12 sec; 13.36 m/s2
11. What can electromagnetic waves travel through that
mechanical waves
cannot travel through?
A. Vacuum
B. plane
C. water
D. soil
12. Electromagnetic waves are classified using what
measurement?
A. Amplitude
B. Frequency
C. Wavelength
D. pulse
13. What type of electromagnetic waves cause sunburns?
A. Visible
B. radio
C. Ultraviolet
D. microwave
14. What type of electromagnetic waves are used to cook
food, predict the weather, and for communications?
A. Microwaves
B. X-ray
C. Infrared
D. visible light
15. What type of waves are used on a TV remote control?
A. microwaves
B. Infrared rays
C. visible light
D. X-ray
16. Which electromagnetic waves have the longest
wavelengths?
A. Gamma rays
B. Infrared
C. Radio waves
D. visible light
17. Which electromagnetic waves enable humans to see?
A. Visible light
B. X-ray
C. Radio waves
D. Infrared
18. What type of electromagnetic waves have the shortest
wavelengths?
A. Gamma rays
B. X-ray
C. Radio waves
D. Infrared​