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A person is riding a bicycle, and its wheels have an angularvelocity of 27.6 rad/s. Then, the brakes are applied and the bikeis brought to a uniform stop. During braking, the angulardisplacement of each wheel is 13.2 revolutions. (a) How much time does ittake for the bike to come torest? (b) What is the anguaracceleration (in rad/s2) of each wheel?
If B (magnetic) field is decreasing into the plane and a circular coil is on the plane, what is the direction of induced current flow through the coil
The first person is initially moving forward with a speed of 2.5m/s and second person is initially at rest. What are the velocities of the two people after the snowball is swapped? Disregard friction between the skate and the ice.
A 23-g bullet traveling 270m/s penetrates a 1.8kg block of wood and emerges cleanly at 195m/s. how fast does it move after the bullet emerges
A 96N grocery cart is pushed 10m along an aisle by a shopper who exerts a constant horizontal force of 40-N. If all frictional forces are neglected and cart starts from rest, what is the grocery cart's final speed.
A charged object moving with a velocity v = 210 m/s passes through a magnetic field of B = 0.70 T that is oriented at an angle of 350 relative to the velocity. what is the magnitude of the charge on the object
An elevator weighing 2500 N ascends at a constant speed of 8.0 m/s. How much power must the motor supply to do this
Consider an RC circuit with E = 12.0, R= 195 ohms, and C = 55.8 micro farrads. Find the initial current in the circuit
An RLC circuit shown above with a peak voltage of 240 V, f = 60 Hz, R = 100 Kilo Ohms, L = 0.5 mH, C = 200 micro F, What is the linear resonant frequency of the circuit
520-N uniform rectangular sign 4.00 m wide and 3.00 m high is suspended from a horizontal, 6.00-m-long, uniform, 150-N rod as indicated in the figure below. The left end of the rod is supported by a hinge and the right end is supported by a thin c..
An electron going east with speed ve = 0.4c collides with a proton going north with speed vp = 0.3c. This collision will create a photon. Find the direction of the photon
Starting from a rest a car accelerates at 2.3 m/s2 up a hill that is inclined 5.9 degrees above the horizontal. How far vertically has the car traveled in 15 seconds
A nuclear power plant has an electrical power output of 1700 MW and operates with an efficiency of 34%. what is the rise in temperature of the flowing water
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