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The refractive indices of materials A and B have a ratio of nA/nB = 1.79. The speed of light in material A is 1.07 x 10^8 m/s. What is the speed of light in material B?
A very thin sheet of glass (n=1.5) floats on the surface of water (n=1.33). When illuminated with white light at normal incidence, What is the thickness of the glass
A rock is tossed straight up with a speed of 29{\rm m}/{\rm s}. What is the rock's velocity as it hits the bottom of the hole
A railroad car of mass 2.58 104 kg is moving with a speed of 3.88 m/s. It collides and couples with three other coupled railroad cars, What is the speed of the four cars after the collision
An undersea research chamber is spherical with an external diameter of 3.70m. What is the buoyant force on the chamber
A heat pump uses an ideal Carnot cycle to heat a house. The outside air has a temperature of 292 K, What is the coefficient of performance of this heat pump
The pulmonary artery, which connects the heart to the lungs, has an inner radius of 2.9 mm and is 8.6 cm long. find the average speed of blood in the pulmonary artery
On a typical mission, the Space Shuttle (m = 2.00 106 kg) orbits at an altitude of 250 km above the Earth's surface. Find the speed of the shuttle in its orbit.
A satellite 8.3x107 km above the surface of a celestial body, whose radius is 39,000 km and whose mass is 6.0x1027 kg, Which clock will be running faster
A stone is thrown upward with an initial velocity of 6 m/s. What maximum height will the stone reach?
A flywheel with radius 0.75 m has an initial angular velocity of 30 rad/s. What is the angular acceleration of the flywheel
Over a time interval of 1.92 years, the velocity of a planet orbiting a distant star reverses direction, changing from +19.7 km/s to -19.1 km/s.
If a car takes a banked curve at less than a given speed, friction is needed to keep it from sliding toward the inside of the curve (a real problem on icy mountain roads).
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