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A man jumps out of an airplane at an altitude of 16,000 feet and falls freely for 20 seconds before opening his parachute. Assume linear air resistance, Fa = -kv. Assume that k = 0.18 without the parachute and k = 1.8 with the parachute.
Write down the differential equation that describes the velocity before he opens hisparachute. What is his terminal velocity?
What will his velocity be at the instant he opens his parachute.
What will the man's altitude be at the moment he opens his parachute?
Write down the differential equation describing his motion after opening his parachute. Solve the IVP.
How long will it take for the man to finally reach the ground?
A 3.0 kg particle with velocityv = (5.0 m/s) i - (6.0 m/s) j is at x =3.0 m, y = 8.0 m. It is pulled by a 7.0 N force in the negative x direction. find the angular momentum of the particle about the origin
Assume light with a wavelength of 465nm in a vacuum is incident upon fused quartz, which has an index of refraction of 1.46. What will the wavelength of this light be inside the quartz?
A car is hauling a 88 kg trailer, to whichit is connected by a spring. The spring constant is 2150 N/m. The car accelerates with an acceleration of0.33 m/s2. By how much does thespring stretch?
You slip a wrench over a bolt. Taking the origin at the bolt, the other end of the wrench is at x=18cm, y=5.5cm. What is the torque on the bolt
The solid curve below shows the trigonometric function f(x). It has the form f(x) = Acos(x). Also shown as dotted curve is the function cos(x). Determine the values of A and enter it below. Note the tick marks at x = ±Π and ±2Π.
A 1.00 kg beaker containing 2.00 kg of oil (density=900kg/m^3 rests on a scale, Find the equilibrium readings of both scales
question1. write a general expression of the flux f received from the sun as a function of luminosity of the sun l
A car rounds a flat circular track with radius 210 m. The coefficient of static friction between the tires and track is 0.65. What's the maximum speed for the car
If the density and atomic mass of copper are respectively 8.80 103 kg/m3 and 63.5 kg/kmol, Determine the drift speed of the electrons in a 10 gauge copper wire (2.588 mm in diameter) carrying a 19.5 A current
A square wire with 1.7 m sides is centered on the origin of the xy-plane. A long, straight wire carries a current of 2.0 A, what emf is present in the conductor
Jamal pulls a 150-N sled up a 28.0° degree slope at constant speed by a force of 100 N. With what acceleration does the sled go down the hill
Determine the zero-point energy for an electron in a 1-D box ofdimension L = 10-15m. Suppose that the center of the boxis not at the bottom of an infinite potential well, but rather onethat has a height equal to the strength of the Coulomb attract..
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