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A 15 lb block B starts from rest and slides on the 25 lb wedge A, which is supported by a horizontal surface. Neglecting friction, determine the a) the velocity of B relative to A after it was slid 3 ft down the inclined surface of the wedge. The angle is 30 degrees.
q1. a student in a parked car honks the horn that has a proper frequency of 310.00 hz. an observer in an approaching
Using the inductance found in the previous problem, what is the impedance seen by the voltage source
Three long, parallel, straight wires pass through the vertices of an equilateral triangle that has sides L = 11.6 cm, as shown in the figure below. A a dot indicates that the direction of the current is out of the screen and a cross indicates that..
John's mass on the Earth is 65 kg. What are his metric mass and weight on Mars where g=3.72m/s^2
Two conductors are made of the same material and have the same length. Conductor A is a solid wire of diameter 1.3 mm. What is the resistance ratio RA/RB , measured between their ends
While fishing, you get bored and start to swing a sinker weight around in a circle below you on a 0.31-m piece of fishing line. What is the angle that the fishing line makes with the vertical
question1as at rest two trains has sirens that release a frequency of 300 hz. the trains travel toward one another and
Visible light of wavelength 480 nm is incident on a diffraction grating with a slit spacing of 0.003 mm
neglect air resistance for the following. a soccer ball is kicked from the ground into the air. when the ball is at a
a beam of white light is shined at normal incidence onto the outside of a soap bubble(index of soap solution = 1.340). What is the thinnest wall thickness of the bubble
A student throws a baseball at a large gong 61 m away and hears the sound of the gong 1.5404 s later. The speed of sound in air is 330 m/s. What was the average speed of the baseball on its way to the gong
a steel wire has the following properties length 5.50m cross-sectional area 5.00times10?2cm2 youngs modulus
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