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A beam of light is traveling in air and strikes a material. Theangles of incidence and refraction are 50.2° and 27.3°,respectively. Obtain the speed of light in the material.
a 2.30-cm-high object is situated 20.1 cm in front of a concave mirror that has a radius of curvature of 13.4 cm.
The following takes place with inelastic collision. Ball 1 travels up with a mass of 3 Kg and a velocity of 20 m/s. How high do the balls travel after the collision
A series RLC circuit has a peak current of 1.0 A with a frequency of 7 kHz. determine the average power of the circuit over one cycle
Two converging lenses are placed 88.0 cm apart. An object is placed 1.100 m to the left of the first lens, What is the focal length of the second lens
A baseball has a mass of 140 grams and a softball has a mass of 280 grams. In which of the situations would they both have the same momentum.By how much will a bar long of the same material.
A golfer imparts a speed of 29.3 m/s to a ball, and it travels the maximum possible distance before landing on the green. What is the longest "hole in one" that the golfer can make, if the ball does not roll when it hits the green
A block of mass 250 kg is pushed 2.20m along a frictionless horizontal table by a constant 16 Nforce directed 25.0 below the horizontal. estimate the work done by net force on block
a stone is dropped into a river from a bridge 49.2 m above the water. another stone is thrown vertically down 1.49 s
A ball of mass 1.10 kg moving with speed of 2.0 m/s hits a wall and bounces back with the same speed in the opposite direction. What is the change in the ball's kinetic energy
A daring ranch hand sitting on a tree limb wishes to drop vertically onto a horse galloping under the tree. The constant speed of the horse is 10.0 m/s, and the distance from the limb to the level of the saddle is 3.00 m.
Two men pushing a stalled car generate a net force of +690Nfor 6.6 sec. What is the final momentum of the car
A 10 kg dog is standing on scale in an accelerating elevator. If the scale reads 5 kg, what is the acceleration of the elevator
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