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1. Compute the locomotion transport number of a pedal-powered aircraft whose total mass (including the operator) is 126 kg. The aircraft flies at 15.0 mph when the operator is supplying 1.50 hp to the pedals.
2. It has been proposed to design a human powered vehicle (HPV) whose total mass (including the 70.0 kg operator) is only 95.0 kg. The vehicle would be capable of traveling at 64.0 km/h while the operator supplies power equal to that of a person running at 5.00 m/s. Determine the locomotion transport number of this vehicle.
Beat frequencies can be used to measure the pitch of an unknown sound even if it normally would be outside the audible range. estimate the operating frequency of brand X
The rotor (flywheel) of a toy gyroscope has mass 0.150 kg . Its moment of inertia about its axis is 1.20×10-4kg·m2. The mass of the frame is 2.70×10-2 kg .
Water is being pumped through a horizontal pipe that is 37.8 m long and 14.5 cm in diameter. what gauge pressure must the pump provide to give the same volume flow rate as for the first pipe
A 48.9 g ball of copper has a net charge of 3.0 µC. What fraction of the copper's electrons have been removed
Two small identical conducting spheres are placed with their centers 0.71 m apart. One is given a charge of 12*109 C, the other a charge of 17*109 C. Discover the electrostatic force exerted on one sphere by the other.
object a is acted on by only object b. the mass of object a is 20.0 kg and its acceleration is 4.00 ms2 west. object b
A red laser from the physics lab is marked as producing 632.8 nanometer light. Find the wavelength of light produced by the pointer
A battery has an internal resistance of 0.75 ohm and an emf of 9 V. It is placed a cross a 5 ohm resistor and a 10 uF capacitor hooked up in parallel. a) after the capacitor has charged, what is the current through the resistor? b) what is the charge..
An object is 26 centimeter in front of a converging lens with a focal length of 14 centimeter. Find what is the position of the image
A small single r=1mm is placed coaxially at the center of a long solenoid n=500 tunrs per cm. the solenoid carries a current i=7sin(wt) a) what is the magnetic field through the small coil? b) What is the flux though the small coil? c) What is the ra..
A circular-motion addict of mass 85 kg rides a Ferris wheel around in a vertical circle of radius 10 m at a constant speed of 6.0 m/s. (a) What is the period of the motion
Gas in a cylinder similar to the one shown in the figure moves a piston with area 0.223 m2 as energy is slowly added to the system. find the displacement of the piston
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