Question (1 point) Supposed a body of mass 30 30 kg is falling in the atmosphere near sea level. Let v(t)m/s v(t)m/s be the velocity of the body at time t t in seconds. Assume that v v is positive in the downward direction – that is, when the object is falling. We assume that the forces acting on the body are the force of gravity and a retarding force of air resistance with direction opposite to the direction of motion and with magnitude proportional to the square of the velocity. Let c c be the constant of proportionality. The gravitational constant is g=9.8m/s 2 g=9.8m/s2.
Question
(1 point) Supposed a body of
mass 30
30 kg is falling in the atmosphere near sea level.
Let v(t)m/s
v(t)m/s be the velocity of the body at time t
t in seconds. Assume that v
v is positive in the downward direction – that is, when the object is falling. We assume that the forces acting on the body are the force of gravity and a retarding force of air resistance with direction opposite to the direction of motion and with magnitude proportional to the square of the velocity. Let c
c be the constant of proportionality.
The gravitational constant is g=9.8m/s
2
g=9.8m/s2.
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