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A bicycle racer is going downhill at 12.2m/s when, to his horror, one of his 2.42kg wheels comes off when he is 75.0m above the foot of the hill. We can model the wheel as a thin-walled cylinder 85.0cm in diameter and neglect the small mass of the spokes.
A. How fast is the wheel moving when it reaches the foot of the hill if it rolled without slipping all the way down?
B. How much total kinetic energy does the wheel have when it reaches the bottom of the hill?
For lead 82Pb206 (atomic mass = 205.974440 u) obtain the mass defect in atomic mass units
A 72 cm long, 1.0 mm diameter steel guitar string must be tightened to a tension of 1800 N by turning the tuning screws. By how much is the string stretched
A man enters a tall tower, needing to know its height. He notes that a long pendulum extends from the ceiling almost to the floor, How tall is the tower
A capacitor is charged to a potential of 12.0 and is then connected to a voltmeter having an internal resistance of 3.10. estimate the time constant of the circuit
You are to drive to an interview in another town, at a distance of 298 km on an expressway. What would be the least speed needed for the rest of the trip to arrive in time for the interview
In changing the state of a gas adiabatically from an equilibrium state A to another equilibrium state B, how much is the net work done by the system in the latter case
A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.55 104 m/s, and the radius of the orbit is 5.40 106 m. What is the orbital speed of the second satellite
A person's center of mass is easily found by having the person lie on a reaction board. find the distance from the woman's feet to her center of mass
A sample of 30 computer hardware companies were observed from Stock Investor Pro and is located in the INVESTOR tab in Excel file provided. The data includes price per share, book value per share, and the return on equity per share for each.
A square loop 15.0cm on a side has a resistance of 8.05? . It is initially in a 0.395T magnetic field, Calculate the electric energy dissipated in this process
While a force of 6.0 N is applied, pulling the spring to the right, the elongation of the spring is 0.030m from its equilibrium position. What is the force constant of the spring
High jumpers usually sustain fractures in the lower third of the fibula. The world record for the high jump is held by Javier Sotomayor (Cuba) at 2.45 m (1993). what is the stress in the fibula
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