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A uniform, cylindrical pulley of mass M=12.7 kg and radius R=0.636 m rotates freely about a fixed horizontal axis. A block of mass m=3.07 kg, which moves downward, is attached to a string which is wrapped around the pulley. What is the magnitude of the angular acceleration of the pulley?
A converging lens (f1 = 24.0 cm) is located 56.0 cm to the left of a diverging lens (f2 = -28.0 cm). How far is the object from the converging lens
A parallel-plate vacuum capacitor with plate area A and separation x has charges +Q and -Q on its plates. The capacitor is disconnected from the source of charge, What is the change in the stored energy
An 18-year-old runner can complete a 10.0-km course with an average speed of 4.80 m/s. How much later (in seconds) should the younger runner start in order to finish the course at the same time as the older runner
A 1.5-kg playground ball is moving with a velocity of 3.0 m/s directed 30° below the horizontal just before it strikes a horizontal surface. find the magnitude of the average resultant force on the ball
A 7350 kg satellite has an elliptical orbit. The point on the orbit that is farthest from the earth is called the apogee and is at the far right side of the drawing. Find the work done by the gravitational force when the satellite moves from the ap..
A laser beam is incident on two slits with a separation of 0.10 mm, and a screen is placed 4.00 m from the slits. what is the wavelength of the laser light
A projectile is launched straight up at 59.5 m/s from a height of 76 m, at the edge of a sheer cliff. Find the maximum height of the projectile above the point of firing
The electric potential outside a charged conducting shpere is 200V, and 10.0 cm farther from the center of the sphere the potential is 150V. Determine the radius of the sphere
A 55.5 kg ice skater is moving at 3.99 m/s when she grabs the loose end of a rope, the opposite end of which is tied to a pole. What is the ratio of this force to her weight
Two capacitors when connected in parallel give an equivalent capacitance of 9.00 pF and give an equivalent capacitance of 2.00 pF when connected in series
How fast is the mass moving at the top of its new path (directly above the peg)?
If you tied the string from the previous problem to a wooden block, What is the minimum volume of wooden block you could use? The density of wood is 600 kg/m3
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