A hunter fires a bullet from a horizontally—held rifle while simultaneously dropping another bullet from the side of the rifle. The bullet to hit the ground first is
A) the dropped one.
B) the fired one.
C) both hit at the same time
Answer: C
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What is 56 + (32.00)/(1.2465 + 3.45 ) written with the correct number of significant figures?
A) 62.8 B) 62.8123846 C) 62.812 D) 63 E) 62.81
What is the approximate latitude and longitude of the South American location marked by the black dot on this diagram?
A) latitude = 15ºS, longitude = 45ºW B) latitude = 30ºW, longitude = 60ºN C) latitude = 15ºN, longitude = 45ºW D) latitude = 15ºS, longitude = 75ºW
The rotation curve for our Galaxy shows stars beyond the Sun moving more slowly than expected
Indicate whether the statement is true or false
A neutron has a mass of 1.67 × 10^-27 kg. Its de Broglie wavelength is 1.4 × 10^-10 m. What temperature would it correspond to if we had a monatomic gas having the same average kinetic energy (in °C)?
a. 273 b. 25 c. 36 d. 309 e. 51