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Question: An elite Tour de France cyclist can maintain an output power of 440W during a sustained climb.
Part I: At this output power, how long would it take an 81kg cyclist (including the mass of his bike) to climb the famed 1100-m-high Alpe d'Huez mountain stage? Neglect any friction.
If possible just a brief explanation how you got the answer? Thanks.
A 3.25G bullet picks up an electric charge of 1.75uC as it travels down the barrel of a rifle. Calculate the magnitude of the bullet's acceleration due to the magnetic force at the instant it leaves the rifle barrel
a car weighs 2415 pounds and the rocket mounted on the car provides 1500 lbs of constant thrust. calculate the distance in feet traveled in this time
Designing an oceanographic mooring. A mooring is a platform for placing scientific instrumentation in the water at a range of depths for extended periods of time. At its most basic, it consists of an anchor, a piece of cable, and a buoyant float (whi..
A 216-kg log is pulled up a ramp by means of a rope that isparallel to the surface of the ramp. The ramp is inclined at 32.5° with respect to the horizontal.
The location of a particle (in m) is given by its x, y and z coordinates as function of the time, calculate the y-component of the average velocity between t = 3.00 s and t = 12.00 s
A 70-kg astronaut is space-walking outside the space capsule and is stationary when the tether line breaks. As a means of returning to the capsule he throws his 2.0-kg space hammer at a speed of 14 m/s away from the capsule.
a what is the rate of energy loss in watts per square meter through a glass window 1.6 mm thick if the outside
The masses of the Pluto and Charon are 1.31×10^22 kg and 1.52×10^21 kg, respectively, Where is the center mass of this system located
question a cell with .25 m internal concentration is placed into pure water. what is the pressure difference across the
A centrifuge in a medical laboratory rotates at an angular speed of 3500 rev/min. Determine the constant angular acceleration of the centrifuge
An object made of a single atomic element weighs 2.4500 N in air and 2.1387 N when completely submerged in water. Calculate the density of the object
Light of wavelength 5.0*10^-7 m in air is incident normally (perpendicular) on a doubled slit. The distance between the slit is 4.0*10^-4 m, Caculate the line density in slits/mm of the diffraction grating
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