The crew of a cargo plane wishes to drop a crate of supplies on a target below. to hit the target, when should the crew drop the crate? ignore air resistance.
a) before the plane is directly over the target
b) when the plane is directly over the target
c) after the plane has flown over the target
Answers: 2
Physics, 22.06.2019 03:30
The focal length of a relaxed human eye is approximately 1.7 cm. when we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. (a) does the refractive power of our eyes increase or decrease by 16 diopters when we focus closely? explain. (b) calculate the focal length of the eye when we focus closely.
Answers: 3
Physics, 22.06.2019 10:30
Apulley with mass mp and a radius rp is attached to the ceiling, in a gravity field of 9.81 m/s2 and rotates with no friction about its pivot.
Answers: 3
The crew of a cargo plane wishes to drop a crate of supplies on a target below. to hit the target, w...
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