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A double-convex lens is to be made of glass with an index of refraction of 1.5. One surface is to have twice the radius of curvature of the other and the focal length is to be 40 mm. What is the larger radius of curvature?
A car of mass 1790 kg is traveling without slipping on a flat, curved road with a radius of curvature of 34 m. If the car's speed is 15 m/s, illustrate what is the frictional force between the road and the tires?
Two skaters, one with mass 65 kg and the other with mass 80 kg, stand on an ice rink holding a pole of length 9 m and negligible mass. How far does the 80 kg skater move
A home run is hit in such a way that the baseball just clears a wall 10 m high, located 124 m from home plate, Find the time it takes the ball to reach the wall
A small ball of mass 0.60 kg is attached to one end of a 1.15 m long massless rod, and the other end of the rod is hung from a pivot
The Black body radiation emitted from a furnace peaks at a wavelength of 4.1 x 10^-6 m (0.0000041m)
A3.50-kg block starts from rest at the top of a 30.0° incline and slides a distance of1.90m down the incline in1.80s. Find the magnitude of the acceleration of the block
A long string with a mass/length of 500 g/m is placed under a tension of 400 N, What is the wavelength of the resulting wave and What is the wave speed
When a falling meteor is at a distance above the Earth's surface of 2.82 times the Earth's radius, what is its free-fall acceleration caused by the gravitational force exerted on it
the gauge pressure at the bottom of a cylinder of liquid is 0.30atm. the liquid is poured into another cylinder with
A gas, while expanding under isobaric conditions, does 494 J of work. The pressure of the gas is 1.57E+5 Pa, What is the final volume of the gas
A water storage tower, is filled with freshwater to a depth of 6.4m. It has a circular basin with and Are of 30m^2. What is the weight(force) of water the basin supports
The wing of an airplane has an average cross-sectional area of 11 m2 and experiences a lift force of 86,000 N. What is the average difference in the air pressure
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