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A beam of light having a frequency in a vacuum of 6.0x1014 Hz enters a liquid of refractive index 2.0. It then emerges through a piece of glass of refractive indez of 1.5. What is the frquency of the light in the liquid?
Grace is playing with her dolls and decides to give them a ride on a merry-go-round. If the doll is 13 cm from the center of the spinning turntable platform, how fast (in m/s) is the doll moving
You are working in a research group investigating more energy efficient city busses. One option is to store energy in the rotation of a flywheel when the bus stops and then use it to accelerate the bus. The flywheel under consideration is a light-..
a flat sheet ofcrown glasshas a thickness of 2.2cm. it is on top of a flat sheet of crystalline quartz that has a
The electric field due to a certain point charge has a magnitude E at a distance of 0.500 cm from the charge. What will be the magnitude of this field (in terms of E) if we move 1.50cm farther away from the charge?
The magnetic force exerted on a 1.1-m segment of straight wire is 1.5 N. What is the angle between the wire and the magnetic field
A novice skier, starting from rest, slides down a frictionless 33.0° incline whose vertical height is 124 m. Explain how fast is she going when she reaches the bottom?
In a volcanic eruption, 2 km3 of mountain with a density of 1600 kg/m3 was lifted an average height of 513 m. How much energy in joules was released
The Bohr model of the hydrogen atom pictures the electron as a tiny particle moving in a circular orbit about a stationary proton. Determine the electron's centripetal acceleration
Particle X has a speed of 0.800 c and a momentum of 5.24 x 10-19 kgm/s. The mass of the particle is 1.31 x 10-27 kg, and the rest energy of the particle is 1.179 x 10-10 J. What is the kinetic energy of the particle
A rotating object starts from rest at t = 0 s and has aconstant angular acceleration. At a time of t = 7.0 s the object has an angular velocity ofω = 13 rad/s. What isits angular velocity at a time of t = 14 s?
A puck (mass m1 = 1.30 kg) slides on a frictionless table as shown in the figure below. The puck is tied to a string that runs through a hole in the table and is attached to a mass m2 = 3.9 kg. What is the change in the kinetic energy of the puck
a thin rod has a length of 0.694 m and rotates in a circle on a frictionless tabletop. the axis is perpendicular to the
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