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Part Aproblem : A bike rider approaches a hill at aspeed of 8.5 m/s. The combined mass of the bike and the rider is85.0Kg. choose a suitable system. find the initial kinetic energyof the system. the rider coasts up the hill. assuming there is nofriction, at what hieght will the bike come to rest?PART BSuppose that the bike rider in part A pedaled up the hilland never came to a stop. in what system is energy conserved? fromwhat form of energy did the bike gain mechanial energy?
Suppose a uniformly charged (with a linear charge density) wire starts at point 0 and rises vertically along the positive axis to a length. Determine the x-component of the electric field at point. That is, compute near one end of a long wire, in the..
8-90 Steam enters a turbine at 9 MPa, 600 degrees C, and 60 m/s and leaves at 20 kPa and 90 m/s with a moisture content of 5 percent. The turbine is not adequately insulated and it estimated that heat is lost from the turbine at a rate of 220 kW.
Suppose a straight 1.35mm -diameter copper wire could just "float" horizontally in air because of the force due to the Earth's magnetic field B, What current would the wire carry
Rivets can be cooled before they are put in place, thus when they reach equilibrium temperature they are more firmly fixed in place. If the volume expansion of iron is 35.0 X 10-6 K-1
Light with an initial intensity of S0 passes through a vertical-oriented polarizer, and then passes through a second polarizer oriented 12.2° from vertical. find the direction (or possible directions) of the initial polarization
A 56.0 kg cheerleader uses an oil-filled hydraulic lift to hold four 120 kg football players at a height of 0.900m. what is the diameter of the football players' piston
The Crab Nebula is a supernova remnant 6500 light years away from Earth. Records from the Chinese indicate that they observed this supernova to occur in the year 1054.
A sound wave from a siren has an intensity of 88.8 W/m2 at a certain point, What is the intensity level of the sound wave due to the ambulance
A blacksmith cools a 1.18-kg chunk of iron, initially at a temperature of 650.0?C, by trickling 14.4?Cwater over it. How much water did the blacksmith trickle over the iron
The pressure of a gas is kept constant while 3 m3 of the gas at an initial temperature of 50oC is expanded to 9 m3. What is the final temperature of the gas
A capacitor in a single-loop RC circuit is charged to 57% of its final voltage in 1.3s, Find the percentage of the circuit's final voltage after 4.3s
question1calculate the intensity distribution in a standing evanescent wave above a glassair interface created by
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