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Using a block of a transparent, unknown material, it is found that a beam of light inside the material becomes totally internally reflected at the air-block interface at an angle of 48°. What is its index of refraction?
A 9.40 10-3 kg bullet is fired horizontally into a 2.64-kg wooden block attached to one end of a massless, horizontal spring (k = 853 N/m). What is the speed of the bullet
The space shuttle begins its landing at a speed of 357 km/hr at an angle of 13 degrees below the horizontal. Illustrate what are the horizontal and vertical components of its velocity?
Suppose 3.0 moles of a monatomic gas are maintained at a constant volume. By how much does the temperature increase if 800.0 J of heat is put into the gas
A person is 1.4 m tall, and is standing at 2.0 m in front of a plane mirror. What is the minimum length of the mirror if the person is now 3.5 m from the mirror
A person of mass M lies on the floor doing leg raises. His leg is 0.85m long and pivots at the hip, How far does the entire body's center of mass rise
An object is moving in simple harmonic motion with an amplitude of 16 cm and a frequency of 2.0 Hz. Calculate the maximum magnitude of the velocity
the distance between the earth and moon (r = 3.84 Ã- 108 m) and Mmoon = 7.36 Ã- 1022kg and Mearth = 5.98 Ã- 1024kg. Calculate the gravitational potential energy of the moon
A previous nuclear accident occurred where a worker received 100J/Kg of gamma radiation. Estimate the dose in rem of the worker
A venturi meter is used to measure the flow speed of a fluid in a pipe. The meter is connected between two sections of the pipe, What is the rate of water flow in cubic meters per second
Draw a cube and Cartesian axes. All points of the cube lie in the (+,+,+) octant of the coordiante system. Determine the angle (in degrees) between the vectors OA and OC
Two cars travel in the same direction along a straight highway, How far must the faster car travel before it has a 15-min lead on the slower car
A 64-kg man standing on a scale in an elevator notes that as the elevator rises, the scale reads 834 N. What is the acceleration of elevator.
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