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When light is incident from air perpendicular to the surface of a certain medium, Find the speed of light in the medium
A He-Ne laser beam with an intensity of 1.00 103 W/m2 is incident from air to dense flint, Find the intensity of the beam transmitted into the dense flint
The current in a coil changes from 3.1 A to 1.9 A in 0.52 s. what is the self-inductance of the coil
100g of ice at -10C is placed into 100g of warm water in an insulated container. Calculate the mass of the ice that remains when equilibrium is achieved
Two particles are moving along the x axis. Particle 1 has a mass m1 and a velocity v1 = +3.7 m/s. Find the ratio m1/m2 of the masses of the particles
A uniform rod of mass 3.35×10?2kg and length 0.430m rotates in a horizontal plane about a fixed axis through its center, What is the angular speed of the rod after the rings leave it
A lawn mower has a flat, rod-shaped steel blade that rotates about its center. The mass of the blade is 0.59 kg and its length is 0.50 m. to what height would the blade rise
a 100 sec long train (as measured at rest) moves in the x-direction with speed B=4/5. what is the position of the front of the train when the rear light is turned on, according to an observer on the g
suppose that two objects attract each other with a gravitational force of 16 units. what would be the new force of attraction between the two objects
A rifle with a barrel length of 65 cm fires a 9 g bullet with a horizontal speed of 380 m/s. find resistive force does the wood exert on the bullet
a skateboard with mass M rolls down a ramp, starting from rest. It takes a time T to roll a distance L along the ramp
For the process where wk(closedsystem)=778 ft*lbf/lbm and ?u= 0.75 Btu/lbm, determine the heat transferred per pound mass
A bat hits a moving baseball. If the bat delivers a net eastward impulse of 1.5 N-s, what is the mass of the ball
A 5.78 cm long rod in the shape of a rectangular solid has cross section dimensions 28.7 mm x 42.6 mm. What is the current in the block
A battery's potential is measured to be 9 V outside of a circuit, the battery is placed in a circuit and it delivers 0.2 A of current. compute the internal resistance of the battery
A block on a 30 degree incline has an initial velocity of 3.5 m/s up the incline. How long until it returns to where it started from
A 60.0 gram golf ball is dropped from a height of 2.00 meters. how much energy did the ball lose
One solenoid is centered inside another. The outer one has a length of 54.0 cm and contains 6800 coils, What is the mutual inductance of these solenoids
A skater with an initial speed of 7.10 m/s stops propelling himself and begins to coast across the ice, eventually coming to rest. How far will the skater travel before coming to rest
A solenoid of length 4.48 cm and diameter 0.785 cm is wound with 160 turns per cm. what is the induced emf in one of the windings
A 352-kg motorcycle is accelerating up along a ramp that is inclined 30.0º above the horizontal. Find the magnitude of the motorcycle's acceleration
The drawing shows a circus clown who weighs 950 N. What is the minimum pulling force that the clown must exert to yank his feet out from under himself