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Two loudspeakers emit sound waves along the x-axis. The sound has maximum intensity when the speakers are 25 cm apart. The sound intensity decreases as the distance between the speakers is increased, reaching zero at a separation of 35 cm.
What is the wavelength of the sound?
A passenger car traveling down a rough road bounces up and down at 1.2Hz with a maximum vertical acceleration of 0.25m/s2, What is the maximum speed of the oscillation
A pail of water is rotated in a vertical circle of radius 1.45 m. What is the minimum speed of the pail at the top of the circle if no water is to spill out
two small spheres spaced 20.0 cm apart have equal charge. How many excess electrons must be present on each spere
A 43.0kg seal at an amusement park slides from rest down a ramp into the pool below. what is the work done by kinetic friction
A pipe open only at one end has a fundamental frequency of 256 Hz. A second pipe, initiallyidentical to the first pipe, is shortened by cutting off a portionof the open end.
Body A weighs 104 N, and body B weighs 30 N. The coefficients of friction between A and the incline are ?s = 0.56, Find the acceleration of A if A is initially at rest
Two infinite parallel plates separated by distance S are at potentials 0 and V0. What are the charge densities on the plates
A box (m1=1.2 kg) is being pulled up an (not necessarily frictionless) incline by another mass (m2=0.85 kg), which is descending straight down. How much energy did the hanging mass lose
The radius of curvature of a convex mirror is 1.60 x 10^2 cm. An object that is 14.0 cm high is placed 40.0 cm in front of this mirror. Find out (1) the location and (2) the height of the image.
q1. a rectangular conducting loop of wire is approximately half-way into a magnetic ?eld b out of the page and is free
A wheel of radius 0.6 m starts from rest and accelerates without slipping with an angular acceleration of 2.0 rad/sec^2 for 10 s. what is its final linear velocity
A bubble with a volume of 1.00 cm3 forms at the bottom of a lake that is 40.0 m deep. What is the volume of the bubble just before it breaks the surface of the water
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