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During a testing process, a worker in a factory mounts a bicycle wheel on a stationary stand and applies a tangential resistive force of 115N to the tire's rim. The mass of the wheel is 1.50 kg and, for the purpose of this problem assume that all of this mass is concentrated on the outside radius of the wheel. The diameter of the wheel is 60.0 cm. A chain passes over a sprocket that has a diameter of 8.75 cm. In order for the wheel to have an angular acceleration of 4.60 rad/s2, what force must be applied to the chain?
A 0.300kg block is moving to the right along a horizontal frictionless surface with a speed of 0.600 m/s. Find the final velocity of each block after the collision
A molecule of DNA (deoxyribonucleic acid) is 2.35 µm long. The ends of the molecule become singly ionized: Determine the effective spring constant of the molecule
A very thin sheet of plastic (n=1.65) covers one slit of a double-slit apparatus illuminated by 640nm light. What is the (minimum) thickness of the plastic
Write down an energy transformation equation
If f8 and 1/125 s gives the proper exposure, what f-stop number should be used with 1/500 s under the same light conditions
A gas has a volume of 3m3 when it is at the temperature of 23K. It's temperature now hoes up to 46K. WHat is it's new volume.
Three point mass particles are located in a plane: 3.67 kg located at the origin, How far is the center of mass of the three particles from the origin
The mass per unit length of the cord is 1.24 e-2 kg/m, so the mass of the cord is negligible compared to the mass of block. The cord is being vibrated at a frequency of 167 Hz (vibration source not shown in the drawing).
What speed limit should be posted for the curve. How long (in {rm ns}) does it take light incident vertical to the glass to pass through this 9.0 {rm cm}-thick sandwich.
A -50 nC charged particle is in a uniform electric field {E} = (10 V/m, east). An external force moves the particle 1.0 m north, then 6.0 m east, How much work is done on it by the external force
There is an 80 kg beam attached to a hinge on a wall and supported by the cord. The angle between the cord and the beam is 25 degrees. The beam is 4.5 m long., and cord is attached to the beam a metre from the beam's end. There is a 20 kg beam hangin..
Suppose that a small incandescent light bulb (R=2.88 kilo ohms) is connected to a standard European household AC electrical socket, Find the average power dissipated by the light bulb
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