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Two loudspeakers, A and B, are separated by a distance of 2.0 m. The speakers emit sound waves at a frequency of 680 Hz that are exactly out of phase. The speed of sound is 343 m/s. How far from speaker A along the +x axis will a point of constructive interference occur?
q1. an archer puts a 0.26 kg arrow to the bowstring. an average force of 213 n is exerted to draw the string back 1.3
The acceleration of a system of two masses of 15kg and 20kg, both connected by a rope and moving on a horizontal plane, is 5m/s^2.Determine the force that acts on the system.
An object's moment of inertia is 2.00kgm2 . Its angular velocity is increasing at the rate of 3.80, What is the total torque on the object
a point charge of -5.20 x 10-6 c is located at the origin. find the electric fielda on the x axis at x 3.00 m.b at the
A light meter stick is balanced at the 60 cm mark with a 200-g mass is hung from the 90 cm mark and a 100-g mass is hung from the 10 cm mark, Find the mass (in g) of the ruler
A 63.0kg skier is moving at 6.55m/s on a frictionless, horizontal snow-covered plateau when she encounters a rough patch 3.55m long. How fast is the skier moving when she gets to the bottom of the hill
A particular garden hose has an inside diameter of 3/4 in. The nozzle opening has a diameter of 1/4 in. what is the flow speed through the nozzle
Two trains, each having a speed of 27 km/h, are headed at each other on the same straight track. What is the total distance (in km) the bird travels
King Arthur's knights use a catapult to launch a rock from their vantage point on top of the castle wall, How far from the castle wall does the launched rock hit the ground
The temperature of a 2.8 m copper pipe is raised from 46?C to 873?C. What is its change in length
Two 3.0 ?C charges lie on the x-axis, one at the origin and the other at 25 m. What is the potential at this third point relative to infinity
What is the frequency of the small axial oscillations that the electron will undergo if it is free along the z-axis near the origin.
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