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A laser beam is incident at an angle of 25 degrees fromthe vertical onto a glass plate with index of refraction n = 1.488. What is the angle of refraction in degrees?
what would the image distance be (pay attention to sign)? cm d. Could the new image be projected on a screen?
q1. a particular guitar string is supposed to vibrate at 214 hz but it is measured to actually vibrate at 272 hz. by
A 2.40kg mass is pushed against a horizontal spring of force constant 26.0N/cm on a frictionless air table. The spring is attached to the tabletop, Find the greatest speed the mass reaches
A tennis ball on Mars, where the acceleration due to gravity is 0.379 of a g and air resistance is negligible, How high above its original point did the ball go
The total length of a bike trip is 300 km. Suppose you take this tour and your bike has wheels with a diameter of 80 cm. How many revolutions will the wheels make
A car of mass 1.00×103kg and a truck of mass 4.10×103kg run into one another due to ice on the road. Calculate the size of the force on the car due to the truck at that time
1) Compute the change in the internal energy of a thermodynamic system under the following scenarios: (i) 50 J of heat added and 40 J work extracted, (ii) 50 J of heat added and 75 J work extracted,
Find the minimum compression of the spring needed to keep the block from falling, given that the coefficient of static friction between the block and the wall is 0.50
The rules of tennis specify that the .057-kg ball must bounce to a height of between 53 and 58 inches when dropped from a height of 100 inches onto a concrete slab. What is the change in the momentum of the ball
Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 22 m/s at an angle 63 degrees, What is the horizontal and vertical component of the balls
the resistivity of silver at 20 degrees C is 1.59 x 10^-8 ohms*m and it temp coefficient is 0.0061/degree C. Find resitance of silver wire at 43 degree C
The four tires of an automobile are inflated to a gauge pressure of 2.1 105 Pa. Determine the weight of the automobile
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