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1. How long does it take a plane, traveling at a constant speed of110 m/s, to fly once around a circle whoseradius is 3300 m?
2. A car travels at a constant speed around a circular track whoseradius is 2.5 km. The car goes once aroundthe track in 290 s. What is the magnitudeof the centripetal acceleration of the car?
A typical ten-pound car wheel has a moment of inertia of about 0.35kg m^2. What is the rotational kinetic energy of the rotating wheel
Two identical, small insulating balls are suspended by separate 0.36-m threads that are attached to a common point on the ceiling. obtain the tension in the threads
A parallel plate capacitor has a capacitance of 8.0 µF when filled with a dielectric. estimate the dielectric constant of the dielectric
Two 22.3-cm-focal-length converging lenses are placed 16.5?cm apart. An object is placed 35.0?cmin front of one lens. obtain the total magnification
A stuntman drives a car over the top of a hill, the cross section of which can be approximated by a circle of radius 160 m. What is the greatest speed at which he can drive without the car leaving the road at the top of the hill?
A solenoid 3.0 cm long consists of 3921 loops of wire. If the magnetic field inside the solenoid is 4.0 T, what is the magnitude of the current that flows through it
A spring whose stiffness is 1000 N/m has a relaxed length of 0.49 m. what is the change in the potential energy of the spring
A 68.0-O resistor is connected in series with a 76.0-µF capacitor and a generator having a maximum voltage of 1.20 102 V and operating at 60.0 Hz
A disk with moment of Inerti I= 10 kg*m^2 is inititally at rest. A torque of 100Nm is applied tot he disk. What is the angular acceleration of the disk
Four small charged bodies of equal charges Q=-1nC are placed at four vertices of a rectangle with sides a=4cm and b=2cm. Determine the direction and magnitude of the electric force
The electric potential due to the charge distribution?
A weight lifter lifts a 420 N set of weights from ground level to a position over his head, a vertical distance of 1.70 m. How much work does the weight lifter do, assuming he moves the weights at constant speed?
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