Constant angular acceleration related problem
A machine shop grinding wheel accelerates from rest with a constant angular acceleration of 2.0 rad/s^2 for 7.0 s and is then brought to rest with a constant angular acceleration of -4.7 rad/s^2.
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If 20.0 kcal of heat are supplied to 5.00 102 g of water at 23° C, what is the final temperature of the water?
How high above the ground is the highest point that the skateboarder reaches? When the skateboarder reaches the highest point, how far is this point horizontally from the end of the ramp?
Now place a thin film of dielectric material of refractive index 1.46. By how much will this change the optical path between the slit and the centre of the screen?
The electron beam will go through the center of the circle. To complete the design your job is to calculate the electric field in the center of the circle as a function of the amount of positive charge on the half circle, the amount of negative ch
A mass-spring system oscillates with an amplitude of 4.10 cm. If the spring constant is 225 N/m and the mass is 574 g, determine the mechanical energy of the system.
A wire is formed into a circle having a diameter of 10.0 cm and placed in a uniform magnetic field of 3.00 mT. The wire carries a current of 5.00 A. Find (a) the maximum torque on the wire and (b) the range of potential energies of the wire-field
Is angular momentum of the block conserved? Why or why not? (b) What is the new angular speed? (c) Find the change in kinetic energy of the block. (d) How much work was done in pulling the cord?
Two charges, -Q and -4Q are a distance L apart. These two charges are free to move but do not because there is a third charge nearby. What must be the magnitude and distance of the third charge and its placement in order for the first two to be in
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