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A wheel rotates with constant angular acceleration about an axis passing through its center. Starting from rest, at t = 0, the wheel rotates 8.20 revolutions in 12.0 s and at this instant it has a kinetic energy of 36.0 J. What is the moment of inertia of the wheel around an axis that passes through its center?
Two charges are placed on the x axis. One of thecharges (q1 = +5.89C) is at x1 = +3.00 cm and the other(q2 = -27.0C) is at x2 = +9.00 cm. Find the netelectric field (magnitude and direction given as a plus or minussign) at (a) x = 0 cm and(b) x = +6...
A 72 kg meteorite buries itself 5.0 m into soft mud. The force between the meteorite and the mud is given by , What was the speed of the meteorite
two moles of an ideal gas at 400 K expand quasi-statically and isothermally from an initial volume of 31.0 L to a final volume of 86.0 L. What is the entropy change of the universe for this process
An ambulance is generating a siren sound at a frequency of 2,400 Hz. The velocity of sound is 345.0 m/s. find the frequency of the siren perceived by the observer
If a projectile is launched vertically from the Earth with a speed equal to the escape speed, how far from the Earth's center is it
A 6.70 -uC particle moves through a region of space where an electric field of magnitude 1300 N/C points in the positive x direction, find the components of the particle's velocity
Does the choice of signs have any bearing on physical and chemical interactions? Explain your answers.
A 7.00-kg crate slides 3.00 m down a ramp inclined at 55.0º below the horizontal. What is the net work done on the crate
A uniform solid sphere rolls without slipping down a 19° inclined plane. What is the acceleration of the sphere's center of mass
An infinite line of positive charge lies along the y axis, with charge density ? = 1.60 ?C/m. Find the magnitude of the net torque exerted on the dipole
A container of gas molecules is at a pressure of 2 atm and has amass density of 1.7 grams per liter. Find the typical speed of the nitrogen molecules in the container
The men's world record for the shot put, 23.12 m, was set by Randy Barnes of the United States on May 20, 1990. what was its initial speed
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