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A beam of light is traveling inside a solid glass cube having index of refraction 1.64. It strikes the surface of the cube from the inside.
(a) If the cube is in air, at what minimum angle with the normal inside the glass will this light not enter the air at this surface?
(b) What would be the minimum angle in part (a) if the cube were immersed in water? (The index of refraction of water is 1.333.)
The upward normal force exerted by the floor is 720N on an elevator passenger who weighs 770N. What is the reaction force to weight of the passenger
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An oil film on water appears brightest at the outer regions, where it is thinnest. from this information, what can you say about the index of refraction of oil relative to that of water.
A charge of -2.89 µC is fixed at the center of a compass. Two additional charges are fixed on the circle of the compass (radius = 0.111 m). What is the magnitude of the net electrostatic force
A bullet of mass 10.1 g is fired into an initially stationary block and comes to rest in the block. Find the initial speed of the bullet
A nurse applies a force of 4.30 Newton to the piston of a syringe. The piston has an area of 5.47 x 10-5 m2. Find the pressure increase in the fluid within the syringe
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A block of mass m and initial speed collides elastically with a block of mass 2m which is initially at rest. Assuming the positive direction is to the right and that there is no friction among the blocks and the surface, what is the velocity of the b..
A 4.00 meter long rod is hinged at one end. The rod is initially held in the horizontal position, and then released as the free end is allowed to fall. Determine the angular acceleration as it is released
A dentist's chair by a patient in it weighs 2240 N. The output plunger of a hydraulic system begins to lift the chair, when the dentist's foot applies a force of 35.2 N to the input piston.
A boxer stops a punch with his head. To approximate the force of the blow, treat the opponent's glove, hand, and forearm as aparticle of mass 1.68 kg moving with aninitial velocity of 21.5 m/s.
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