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starting from rest, a basketball rolls from the top to the bottom of a hill, reaching a translational speed of 5.1 m/s. Ignore frictional losses.
(a) What is the height of the hill?
(b) Released from rest at the same height, a can of frozen juice rolls to the bottom of the same hill. What is the translational speed of the frozen juice can when it reaches the bottom?
A car moving at 10 m/s encounters a bump that has a circular cross-section with a radius of 30 m. What is the normal force exerted by the seat of the car on a 60-kg passenger
Two charges, qA and qB, are divided by a distance, d, and exert a force, F, on each other. Analyze Coulomb's law and answer the following questions.
a salesman can contact either one or two customers per day with probability 13 and 23 respectively. each contact will
Capacitors are used in many applications where one needs to supply a short burst of relatively large current. Approximately what is the resistance of the lamp if the current reaches 5.0% of its original value in 1.1 ms
A coil having L=0.14 H ,R=12? is connected across a v=110v, f=25Hz line. Compute a power factor and power
A resonant circuit in a radio receiver is tuned to a certain station when the inductor has a value of 0.321 mH and the capacitor has a value of 22.4 pF. Calculate the frequency of the radio station
A proton travels with a speed of 3.00 ? 106 m/s at an angle of 55.0° with the direction of a magnetic field of 0.520 T in the +y direction. determine the magnitude of the magnetic force on the proton
An atomic nucleus at rest decays radioactively into an alpha particle and a smaller nucleus. What will be the speed of this recoiling nucleus
The 73 kg student balances an 1100 kg elephant on a hydraulic lift. Inside the lift is filled with oil and the diameter of the piston the elephant is standing on is 2.0 m, What is the second student's mass
A gas is contained in a cubic box whose sides are 3m long. If the gas is initially at 80 K, and it is heated up to 320 K at constant volume, What is the final pressure
What is the reading of spring scale
A solid cylinder of mass 2.00kg and radius 1.50x10^-2m is free to rotate on a frictionless axle. determine the acceleration of the falling mass
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