Barringer Crater in Arizona is an example of a meteorite impact
Indicate whether the statement is true or false
TRUE
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A 1700 kg car travels at 20 m/s WEST and collides with a 2000 kg car traveling EAST. The collision is completely inelastic and they both come to rest. What is the velocity of the 2000 kg car?
A. 17 m/s EAST B. 14 m/s EAST C. 17 m/s WEST D. 14 m/s WEST E. 12 m/s EAST
If you locate the north celestial pole in your local sky and measure its altitude, then you will know
A) your latitude and longitude. B) your latitude and the direction that is due north for you. C) your longitude and the direction that is due north for you. D) your latitude and the local time. E) your latitude, longitude, and local time.
Why do musical instruments sound different when playing the same note?
A. The frequency of the fundamental is different on different instruments B. The speed of sound is different in the two instruments C. Different musical instruments have different combinations of higher harmonics
A rectangular steel plate with dimensions of 40.0 cm × 30.0 cm is heated from 14.0°C to 164.0°C. What is its change in area? (Coefficient of linear expansion for steel is 11 × 10^?6/C°.)
a. 8.96 cm2 b. 29.7 cm2 c. 3.96 cm2 d. 1.32 cm2 e. 9.90 cm2