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The amplitude of a lightly damped oscillator decreases by 4.9% during each cycle. What percentage of the mechanical energy of the oscillator is lost in each cycle?
A 10.0-kg mass is placed on a 25.0o degree incline and friction keeps it from sliding. What is the frictional force while the mass is sliding
A telescope has magnification of 40 and length of 1230mm. What are the focal lengths of the eyepeice
Two sound sources driven in phase by the equal amplifier are d = 4 m apart on the y axis. At a point a very large distance from the y axis, constructive interference is first heard at an angle θ1 = 0.140 rad with the x axis.
The work function for barium is 2.50 eV. Find the cutoff wavelength for barium
question 1. draw a picture of a moving source and the waves surrounding it according to what you observed in this
A tube of radius 5 cm is connected to tube of radius 1 cm as shown above. Water is forced through the tube at a rate of 10 liters/min. What is the velocity of the water in the 5 cm radius tube
A 500 Hz whistle is moved toward a listener at a speed of 10 m/s. At the same time, What is the apparent frequency heard by the listener
A submerged solid object displaces a. its own volume in the liquid. b. more than its own volume in the liquid. c. less than its own volume of liquid. I am confused with the wording. Why do they use volume instead of weight?
Two balls are approaching each other head-on. Their velocities are +14.6 and -8.88 m/s. Determine the velocity of the center of mass of the two balls
q1. a crate with mass 35.5 initially at rest on a warehouse floor is acted on by a net horizontal force of 120. what
A 4.1-m-tall, 30-cm-diameter concrete column supports a 2.0×10^5kg load. By how much is the column compressed
The flywheel of an engine has a moment of inertia 2.40- {rm kg} cdot {rm m}^{2} about its rotation axis. What is its final kinetic energy.
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