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A wheel of radius 0.360 m starts from rest and accelerates uniformly to an angular speed of 18.0 rad/s in 6.00 s. Calculate the final linear speed of a point on the rim of the wheel. In other words, relate the velocity v to the angular velocity ? Calculate the angular acceleration of the wheel. Calculate the linear (tangential) acceleration of a point on the rim of the wheel. In other words, relate the acceleration a to the angular acceleration ?
Find the distance from the positive plate
A screen is placed 52.4 cm to the right of the converging lens. A diverging lens is placed between the converging lens and the screen. What is the focal length f2 of the diverging lens
The inner surface is negative relative to the outer surface. Explain how much work is required to eject a positive sodium ion (Na+) from the interior of the cell?
A sign (mass 1700kg ) hangs from the end of a vertical steel girder with a cross-sectional area of 0.013m^2, What is the stress within the girder
q1. before throwing a 1.49 kg discus an athlete rotates it along a circular path of radius 1.18 m. the maximum speed of
A laser pulse has an energy of 24 J and a beam radius of 2 mm. Find the rms values of the electric and magnetic fields in the pulse
A long aluminum rod is struck at one end. At the other end an observer close to the rod, hears the sound of the blow twice, What is the length of the rod
A parallel plate capacitor has a capacitance of 4.5 µF when filled with a dielectric. What is the dielectric constant of the dielectric
A piece of Nichrome wire has a radius of 5.0 x10-4 m. It is used in a laboratory to make a heater that dissipates 2.00 x10^2 W of power when connected to a voltage source of 120 V. Ignoring the effect of temperature on resistance, estimate the req..
Suppose the loop in the generator in the figure below is square and the length of each side of the loop is increased by a factor of nine. By what factor will the AC voltage change
A particle known as a pion lives for a short time before breaking apart into other particles. What is the lifetime according to a hypothetical person who is riding along with the pion
A 3.4cm diameter parallel-plate capacitor has a 2.5mm spacing. The electric field strength inside the capacitor is 1.5×10^5 V/m, how much is the charge on each plate
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