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In the arrangement shown in the figure below, an object of mass 4.2 kg hangs from a cord around a light pulley. The length of the cord between point P and the pulley is 3.5 m. When the vibrator is set to frequency of 183 Hz, a standing wave with eighteen loops is formed.
(a) How many complete loops (if any) will result if the mass is changed to 16.8 kg? (Answer with -100 if no standing wave forms.)
a motorcycle is following a car that is traveling at constant speed on a straight highway. initially the car and the
question a loundspeaker diaphragm is producing a sound for 2.1 s by moving back and forth in a simple harmonic motion.
your friends mass is 65kg. if she jumps off a 110-cm high table how far does the earth move toward her as she falls? a
suppose that a block sliding on a greased horizontal surface experiences a drag force f -cv32 for positive velocity v
Taking age as an independent variable and cholesterol level as a dependent variable compute . Find the regression of cholesterol level on age
Two identical point charges (q = +8.30 x 10-6 C) are fixed at opposite corners of a square whose sides have a length of 0.650 meter. Find the speed of the test charge when it reaches the center of the square
As a particle moves from the origin to (1i + 7j) m, it is acted upon by a force given by (2i + 6j) N. Calculate the work done by this force on the particle
A rock of mass 0.210 kg falls from rest from a height of 20.8 m into a pail containing 0.429 kg of water. determine the rise in temperature of the rock
Diffraction too occurs with sound waves. Consider 1100-Hz sound waves diffracted with a door that is97 cm wide. What is the angle (in degrees) among the two first-order diffraction minima?
A temperature of absolute zero occurs at -273.15°C. Calculate this temperature on the Fahrenheit scale
a piece of paper is folded into three equal parts.a how many area vectors are needed to describe the surface of the
the velocity of light (c) is 3x108 m/s. an AM radio station is at 1500 (kHz) on the radio dial. what is the wavelength of the waves broadcast by this station
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