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A diamond’s index of refraction for red light, 656 nm, is 2.410, while that for blue light, 434 nm, is 2.450. Assume white light is incident on the diamond at 30.0°. Discover the angles of refraction for these two colors.
An 79-kg stuntman jumps from a window of a building situated 33 m above a catching net. Assuming that air resistance exerts a 100-N force on the stuntman as he falls, identify his velocity just before he hits the net.
A spherical balloon has a radius of 6.95 and is filled with helium. The density of helium is0.179, Determine the largest mass of cargo the balloon can lift
A capacitor is charged to a potential of 12.0V and is then connected to a voltmeter having an internal resistance of 3.10M(omega) . After a time of 4.10s the voltmeter reads 3.0V . What is the capacitance? What is the time constant of the circuit?
A model airplane with mass 0.757 kg is tethered to the ground by a wire so that it flies in a horizontal circle 29.7 m in radius. The airplane engine provides a net thrust of 0.798 N perpendicular to the tethering wire.
The energies associated with molecular rotation and vibration are quantized and photons can be emitted or absorbed by molecules making transitions from one rotational or vibrational state to another.
A 0.339 kilogram pendulum bob passes through the lowest part of its path at a speed of 2.70 m/s. Determine the tension in the pendulum cable at this point if the pendulum is 72.0 centimeter long
A steel beam is placed vertically in the basement of a building to keep the floor above from sagging. Find the vertical compression of the beam
radiation from the head is a major source of heat loss from the human body. model a head as a 20-cm-diameter 20-cm-tall
A ball of mass 0.300 kg that is moving with a speed of 7.2 m/a collides head-on and elastically with another ball initially at rest. Calculate the velocity of the target ball after the collision
What is the kinetic energy of a 1,500 kg car with velocity of 72.0 km/hr? How much work must be done on the car to bring it to a complete stop.
a spherical drop of water carrying a charge of 20 pc has a potential of 530 v at its surface with v 0 at infinity.a
A mass-spring system oscillates with an amplitude of 5.60 cm. If the spring constant is 226 N/m and the mass is 453 g, determine the mechanical energy of the system
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