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Coherent microwaves of wavelength 5.00 centimeter enter a tall, narrow window in a building otherwise essentially opaque to the microwaves. If the window is 36.0 centimeter wide, find the distance from central maximum to first-order minimum along a wall6.5 meter from the window?
A tennis player swings her 1000 g racket with a speed of 8.00m/s . She hits a 60 g tennis ball that was approaching her at a speed of 13.0m/s, How fast is her racket moving immediately after the impact
An unknown tuning fork produces a beat frequency of 3Hz when played with a 440Hz fork, What is the frequency of the unknown fork
Three identical stars of mass M = 1.9 x1030 kg form an equilateral triangle that rotates around the triangle's center as the stars move in a common circle about that center. The triangle has edge length L = 7.1 x1010 m. What is the speed of the st..
A 4800 kg truck is parked on a 14° slope. How big is the friction force on the truck
Two streams of air, one at 1 bar, 27C and velocity of 30 m/s and the other at 5 bar, 227C and 50 m/s velocity, Find the velocity of the stream issuing out of the nozzle
Find the fundamental frequency and second harmonic if the tension in the wire is increased to 112 N. (Assume the wire doesn't stretch or break.
a 3.77-kg ball of clay is thrown downward from a height of 3.47 m with a speed of 4.81 ms onto a spring with k 1690
A ball is thrown horizontally with the speed of 15 m/s from the top of a building. It takes the ball 5 s to land on the ground. What is the speed of the ball when it hits the ground
Suppose a ski-jumper lands at a point 63 m down an incline of 35 degrees, What was her speed at take-off
Suppose the space shuttle is in orbit 320km from the Earth's surface, and circles the Earth about once every90.9 minutes. Find the centripetalacceleration of the space shuttle in its orbit. Express your answerin terms of g, the gravitational accel..
A bucket is made from thin sheet metal. The bottom and top of the bucket have radii of 21.0 cm and 39.0 cm, respectively. The bucket is 30.0 cm high and filled with water. Where is the center of gravity.
a diver springs upward from a board that is 3.17 meters above the water. at the instant she contacts the water her
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