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A cord is wrapped around the rim of a solid uniform wheel 0.230 meter in radius and of mass 9.60 kilogram. A steady horizontal pull of 48 Newton to the right is exerted on the cord, pulling it off tangentially from the wheel. The wheel is mounted on frictionless bearings on a horizontal axle through its center.
Determine the angular acceleration of the wheel.
Find the acceleration of the part of the cord that has already been pulled off the wheel.
Compute the magnitude of the force that the axle exerts on the wheel.
Determine the direction of the force that the axle exerts on the wheel.
Waves moving on a lake have a speed of 2.8 m/s and a distance of 1.6 m between adjacent crests. Find the period of the wave motion
In a mass spectrometer, a singly ionized 24Mg ion has a mass equal to 3.983 10-26 kg and is accelerated through a 2.80-kV potential difference. Find the radius of curvature of the ion's orbit
the label on a soft drink states 15.fl oz (444g) provides 220 kcal. The drink is cooled to 15degree Celsius before it's consumed. Find net energy content of drink
One of the weapons considered for the "Star Wars" antimissile system is a laser that could destroy ballistic missiles. What laser beam intensity will produce such a field
A top fuel drag racer with a mass of 600.0kg completes a quarter-mile (402 m) drag race in a time of4.2 s starting from rest. The car's finalspeed is 116 m/s. What is the engine'saverage power output in kW? Neglect friction and airresistance.
A capacitor with its plates separated by paper stores 4.6 nc of charge when it is connected to a particular battery. How much charge does the capacitor store
The mean or average value of the potential energy of the electron in a hydrogen atom can be found by integrating the potential function with the corresponding radial probability density. Find the average potential energy in the 2p state of atomic hyd..
An RLC circuit has a resistor of 300 W, a 1.0 µF capacitor, and an inductor of 450 mH connected to an alternate power source with a voltage, calculate the rms current flowing through the circuit
Which statement is true concerning the magnitude of the net force on the plane.
The four tires of an automobile are inflated to a measure pressure of 2.0*105 Pa. Each tire has an area of 0.024 m2 in contact with the ground. Decide the weight of the automobile.
A circular loop of conducting wire, with radius a and resistance R, is placed in a magnetic field. Find an expression for the induced current in the loop as a function of time
The work function for zinc is 4.31 eV. Ultraviolet light of wavelength 144 nm is incident on the clean surface of a zinc sample. What is the photon energy of the ultraviolet light
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