Physics, 22.01.2020 23:31 cuppykittyy
An arrow is shot from a height of 1.95 m toward a cliff of height h. it is shot with a velocity of 29 m/s at an angle of 60â° above the horizontal. it lands on the top edge of the cliff 3.8 s later.
a) what is the height of the cliff (in m)?
(b) what is the maximum height (in m) reached by the arrow along its trajectory?
(c) what is the arrow's impact speed (in m/s) just before hitting the cliff?
Answers: 1
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Panel bc in fig. p2.76 is semi-circular, with the 3 meter radius and horizontal straight edge through point b. compute (a) the hydrostatic force of the water on the panel, (b) its center of pressure, and (c) the moment of this force about point b. assume atmospheric pressure on the dry side of the panel
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Atemperature inversion can cause a warm air mass to move over a colder air mass. this traps the colder air mass and prevents surface air from rising. this may result in which of these? a) smog b) acid rain c) freezing rain d) a thunderstorm
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An arrow is shot from a height of 1.95 m toward a cliff of height h. it is shot with a velocity of 2...
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