A bullet is fired from ground level with a speed of 150 m/s at an angle 30.0° above the horizontal at a location where g = 10.0 m/s2
What is the range of the bullet (horizontal distance from the starting point to the point where it lands on the ground)? A) 1130 m
B) 150 m
C) 13.0 m
D) 1950 m
E) 975 m
D
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Rather than an explosive death, the Sun will likely end its life forming a(n) ________ surrounding a(n) ________
Fill in the blank(s) with correct word
I am stationary in a reference system but if my reference system is not an inertial reference system, then, relative to me, a system that is an inertial reference system must:
a. be accelerating. c. remain at rest. b. move with constant velocity. d. be none of these choices.
A venturi tube may be used as the inlet to an automobile carburetor. If the 2.0-cm diameter pipe narrows to a 1.0-cm diameter, what is the pressure drop in the constricted section for an airflow of 3.0 m/s in the 2.0-cm section? (r = 1.2 kg/m3.)
a. 70 Pa b. 85 Pa c. 100 Pa d. 120 Pa e. 81 Pa
The supernova that formed M-1, the Crab Nebula, was observed in
A) 1572 AD by Tycho Brahe. B) 1604 AD by Johannes Kepler. C) 1054 AD by Chinese and Middle Eastern astronomers. D) 1006 by observers in the southern hemisphere. E) about 9,000 BC by all our ancestors.