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Shown to the right is a truncated cone of length L cm traveling through a fluid at a speed of 8.80 m/s. The narrow end of the cylinder has a diameter of 2.12 cm, whereas the wider end has a diameter of 3.22 cm. The drag force acting on the cylinder is 29.6 newtons.
The drag force Fd acting on an object passing through a fluid is given by where A is the effective cross-sectional area of the object, Γ (the Greek letter "gamma") is the drag coefficient, ρ is the density of the fluid, and v is the speed of the object. Calculate the drag coefficient Γ of the object if the fluid is water of density 1000.00 kg/m3
A person of mass 75 kg stands at the center of a rotating merry-go-round platform of radius 3.1 m and moment of inertia 1400 kg·m2. The platform rotates without friction with angular velocity 2.0 rad/s. The person walks radically to the edge of the p..
calculate the total number of state between the first energy level and the second energy level for a quantum well of
A 17cm length of 0.25mm diameter nichrome wire is welded into a circular loop. What is the induced current in the loop
Laser light of wavelength 509nm illuminates two identical slits, producing an interference pattern on a screen 86.5cm from the slits, Calculate the width of the slits
A 6.0-cm-diameter cylinder of nitrogen gas has a 4.0-cm-thick movable copper piston. How many gas molecules are in the cylinder
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the flow rate of blood through a 2.10x10^-6 m radius capillary is 4.07x10^-9 cm^3/s. what is the speed of the blood flow
the velocity of light (c) is 3x108 m/s. an AM radio station is at 1500 (kHz) on the radio dial. what is the wavelength of the waves broadcast by this station
A soldier has a huge contraption that notches a large 4 kg arrow (it looks more like a lance) in a massive bow and uses a winch system to draw the arrow back to set the bow. What is the speed of the arrow
The angular momentum of a flywheel having a rotational inertia of 0.250 kg·m2 concerning its central axis decreases from 2.40 to1.000 kg·m2/s in2.00 s. What is the magnitude of the average torque acting on the flywheel about its central axis through ..
a helicopter is lifting two crates simultaneously. one crate with a mass of 148 kg is attached to the helicopter by
A 667 kg car stopped at an intersection is rear-ended by a 1600 kg truck moving with a speed of 13.5 m/s. If the car was in neutral and its brakes were off, so that the collision is approximately elastic, find the final speed of both vehicles after t..
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