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llamawrench7366
12.07.2019 •
Physics
Apackage is dropped from the plane which is flying with a constant horizontal velocity of va = 150 ft/s. determine the normal and tangential components of acceleration and the radius of curvature of the path of motion (a) at the moment the package is released at a, where it has a horizontal velocity va = 150 ft/s, and (b) just before it strikes the ground at b.
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Ответ:
initial speed when it is dropped is 150 ft/s
now at the same moment the acceleration due to gravity is perpendicular to its velocity
so as we know that
now we have centripetal acceleration a = 32 ft/s^2 as its perpendicular to velocity
while tangential acceleration at the same moment will be zero
so
now radius of curvature is given as
so the radius of curvature just after it is dropped is 703.125 ft
Ответ:
I would say the answer is true