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A bicycle is turned upsdie down and has one wheel spinning at 95.0 rpm. The wheel slows uniformly to a stop in 45.0 seconds. What is the angular distance (in rad) traveled during this time
A hydrogen atom is in the 11s state. Determine the quantum number and Determine the orbital angular momentum in terms of hbar
A 300 gram chunk of clay is thrown at a door with a velocity of 10 m/s. The clay sticks to the door. Determine whether the interaction is elastic
A certain atom has atomic number Z = 20 and atomic mass number A = 42. What is the approximate radius of the nucleus of this atom
A 2 kg ball is dropped from a height of 1/5 m. It bounces off the floor with a velocity of 1 m/s. What is the impulse (magnitude and direction) applied to the ball during the collision with the floo
Two masses 3kg and 5kg are held around a pulley as shown in the figure. When the two masses released, what will be the acceleration of the 5kg mass
A 60 kg person jumps from rest off a 5 m high tower straight down into the water. Determine the magnitude of the average forces that the water exerts on the diver
A merry-go-round starts from rest and reaches the angular speed of 4 rpm in the first two minutes. What would be the angular acceleration of the merry-go-round
A 4.00-microF capacitor that is initially uncharged is connected in series with a 7.90-k ohm resistor and an emf source with E = 120 V and negligible internal resistance. what is the voltage drop ac
You plan to project an inverted image 30.0 cm to the right of an object. You have a diverging lens with focal length -4.00 cm located 5.40 cm to the right of the object. What is the focal length of
A 22.5-mW laser beam of diameter 1.98 mm is reflected at normal incidence by a perfectly reflecting mirror. Calculate the radiation pressure on the mirror
a 1.50-uf capacitor charged to 40.0 v and a 2.40-uf capacitor charged to 12.0v are connected to each other, What is the final charge on the 1.50-uf capacitor
A disk-shaped merry-go-round of radius 2.78mand mass 160kg rotates freely with an angular speed of 0.696rev/s. What is initial and final kinetic energy
Suppose a spacecraft of mass 28000kg is accelerated to 0.25c, How much kinetic energy would it have
Two charges repel each other with a force of 0.1 N when they are 5 cm apart. Find the forces between the same charges
You have a concave spherical mirror with a 13.3-cm radius of curvature. You place an object on the mirror's axis, 19.7 cm in front of the mirror
An object 1.40 cm high is held 3.00 cm from a person\'s cornea, Find the magnitude of the radius of curvature of the convex mirror formed by the cornea
A future geosynchronous space station will be used to collect solar energy. The energy is transmitted back to earth as an electromagnetic beam. how large are the station's solar panels
You have a concave spherical mirror with a 13.3-cm radius of curvature. You place an object on the mirror\'s axis, How far is the object's image from the mirror
What is the speed of an electron that has a total energy of zero in a hydrogen atom
A beam of gamma rays from a distant galaxy is observed through two polarizing filters whose transmission axis is at a 45 degree angle relative to each other here on earth. What is the intensity of t
An electric motor is plugged into a standard 120V electrical service. At startup a current of 23.4A is measured. what is the operating current with the new resistor added
115 g of glass beads, originally at a temperature of 75.0 oC, are added to 85.0 g of ethyl alcohol which is at a temperature of -50.0 oC. find the temperature of the mixture when thermal equilibrium
A cold room has walls constructed of 0.24 m brick on the outside, 0.15 m foam insulation in the middle and 1.6 cm of wood on the inside. Calculate the outside and inside surface temperature of the co