Physics, 21.09.2019 08:30 quantraviousdavid
An airplane pilot fell 380 m after jumping from an aircraft without his parachute opening. he landed in a snowbank, creating a crater 1.0 m deep, but survived with only minor injuries. assuming the pilot's mass was 85 kg and his terminal velocity was 50 m/s, estimate the following.
(a) the work done by the snow in bringing him to the rest
Answers: 1
Physics, 22.06.2019 05:30
James is trying to prove newton's 2nd law of motion. he tries to move four different objects with different masses, shapes, and sizes from point a to point b. the objects are a toy car, a car, a refrigerator, and a kitchen table. after some experimentation, he finds that force is dependent on the mass of the object, rather than it's size or shape. the object that takes the most force to move is the
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You can estimate the degree to which a bond between two atoms is ionic or covalent by calculating the
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During cooling, the kinetic energy of the molecules falls. why does this happen? a.the motion of the molecules increases. b. the motion of the molecules slows down. c.the van der waals forces between molecules decrease d. the forces of attraction between the molecules are overcome.
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An airplane pilot fell 380 m after jumping from an aircraft without his parachute opening. he landed...
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