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A player bounces a 0.47 kilogram soccer ball off her head, changing the velocity of the ball from vi = (8.5m/s)x + (-2.8m/s )y to vf = (6.0m/s )x + (3.6m/s )y.
Part A If the ball is in contact with the player's head for 6.7 milliseconds, find the direction of the impulse delivered to the ball?
Part B Find the magnitude of the impulse delivered to the ball?
The Doppler shift of ultrasonic waves can gauge the speed of blood in an artery. If the frequency of the stationary source is 100 kHz and the reflected sound has a Doppler shift of 200 Hz, Determine is the blood flow speed? (The speed of sound inside..
The switch in a circuit has been open for a long time. The resistors in the circuit each have a value of 60 Ohms, find the total equivalent inductance of the circuit
a lamp in a childs halloween costume flashes based on an rc discharge of a capacitor through its resistance. the
The corners of an equilateral triangle lie on a circle that has a radius of .25m. What is the length of a side of the triangle
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A certain crude oil has an index of refraction of 1.25. A ship dumps 1.00m3 of this oil into the ocean, find how much surface area of the ocean does the oil slick cover
A light ray is incident upon a plane interface between two materials. what is the refracted angle (in degrees) in that material
A microwave oven is powered with an electron tube called a magnetron, which generates electromagnetic waves of frequency2.75 GHz. The microwaves enter the oven and are reflected with the walls. The standing wave pattern produced in the oven can cook ..
While exploring a cave, a spelunker starts at the entrance and moves the following distances: 75.0 m north, 250 m east, 170 m at an angle 30.0° north of east, and 150 m south. Discover the resultant displacement from the cave entrance and the directi..
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