Skydiving If a body of mass m falling from rest under the action of gravity encounters an air resistance proportional to the square of velocity, then the body's velocity t seconds into the fall satisfies the equation dv m = mg - kv², k > 0 dt where k is a constant that depends on the body's aerodynamic properties and the density of the air. (We assume that the fall is too short to be affected by changes in the air's density.) Find the velocity of an object with a mass of 10 kg and a value of k after: = 0.05 N.s/m

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Chapter6: Uniform Circular Motion And Gravitation
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2. Skydiving If a body of mass m falling from rest under the action of gravity
encounters an air resistance proportional to the square of velocity, then the body's
velocity t seconds into the fall satisfies the equation
dv
m mg - kv², k > 0
dt
where k is a constant that depends on the body's aerodynamic properties and the
density of the air. (We assume that the fall is too short to be affected by changes in
the air's density.)
Find the velocity of an object with a mass of 10 kg and a value of k = 0.05 N.s/m
after:
a) 10 s
b) 100 s
c) 1000 s
Transcribed Image Text:2. Skydiving If a body of mass m falling from rest under the action of gravity encounters an air resistance proportional to the square of velocity, then the body's velocity t seconds into the fall satisfies the equation dv m mg - kv², k > 0 dt where k is a constant that depends on the body's aerodynamic properties and the density of the air. (We assume that the fall is too short to be affected by changes in the air's density.) Find the velocity of an object with a mass of 10 kg and a value of k = 0.05 N.s/m after: a) 10 s b) 100 s c) 1000 s
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