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During volcanic eruptions, chunks of solid rock can be blasted out of the volcano; these projectiles are called volcanic bombs. The figure shows a cross section of Mt. Fuji, in Japan.
(a) At what initial speed would a bomb have to be ejected, at angle ?0 = 33? to the horizontal, from the vent at A in order to fall at the foot of the volcano at B, at vertical distance h = 3.30 km and horizontal distance d = 8.10 km? Ignore, for the moment, the effects of air on the bomb's travel.
(b) What would be the time of flight?
An object fired at an angle of 19.1° above the horizontal takes 2.61 s to travel the last 15.3 m of its vertical distance and the last 10.3 m of its horizontal distance. With what speed was the object launched
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A 4m long, 140g rope is fixed at one end while the other is tied to a light string. what is the frequency of the third harmonic
An observer moving toward Earth with a speed of 0.96 notices that it takes 5.2 for a person to fill her car with gas. Assume, in its place, that the observer had been moving away from Earth with a speed of 0.80.
A fox fleeing from a hunter encounters a 0.795 m tall fence and attempts to jump it. By how much does the fox clear the fence
Water is flowing through a pipe with a constriction. The area of the narrow section is one-half the area of the wide section. what is the velocity of the fluid in the narrow section
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Calculate the UNCERTAINTY of the specific gravity of a liquid given the following information: m = 54.50 +/- 0.05 grams, mA = 33.50 +/- 0.05 grams
Monkey first notices a lion attacking when the lion is 12.5 m away and moving toward the monkey at a speed of 5 m/s. How long does the monkeys escape last
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