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A light ray is traveling from glass (refractive index 1.54) into air (refractive index 1.00) at an angle of incidence of 45 degrees as shown.
Calculate the critical angle for the light going from glass to air.
Show on a ray diagram what happens to the ray after it hits the interface.
Show also on a diagram the path of a ray incident in glass at 40 degrees.
During a car crash a 65 kg person's head goes from travelling at 50 km ??!??to stationary in 0.15 s. What is the magnitude of the average net force acting on the person's 4.5 kg head
A worker is poling a ship across a shallow lake. He pushes parallel to the length of the light pole exerting on the bottom of the lake a force of 235 Newton. Calculate the magnitude of this force
the four tires on the authors car are inflated to an absolute pressure of 2.8 x 105 pa. if the car has a mass of 1650
Light passes from medium A into medium B at an angle of incidence of 44 degrees. The index of refraction for A is 1.25 times that of B. What is the angle of refraction? Express your answer using two important figures. What is the ratio of the speed o..
1. a 204 kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. the ramp is
A high-speed drill reaches 2300rpm in 0.51s. What is the drill's angular acceleration
two parallel conducting rails with negligible resistance are connected at one end by a resistor of resistance r. the
In outer space, there are two planets that are separated by a distance of 345x10^8 km. These two planets have the extact same mass. What is the mass of each star when it takes 8.9 earth years to complete one orbit
a child operating a radio-controlled model car on a dock accidentally steers it off the edge. the cars displacement 1.0
A particle with a charge of 31 µC moves with a speed of 72m/s in the positive x direction. What is the magnitude of the magnetic force on the particle
Compute the acceleration of each box decide maximum distance the car rolls up the hill
a board lies on top of 2 uniform cylinders that lie on a fixed plane inclined at an angle theta. the board has mass m
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