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Two loud speakers, A and B, are separated by a distance of 2.0m. The speakers emit sound waves at a frequency of 680Hz that are precisely out of phase. The speed of sound is 343m/s. How far from speaker A along the +x axis will a point of constructive interference occur?
A concave mirror has a focal length of 19 cm. This mirror forms an image located 76 cm in front of the mirror. What is the magnification of the mirror
it takes you 1.60 x 10-5 j to move a charge between two charged parallel plates with a potential difference of 11.0 v
You observe that a solid cube of some material floats on the surface of an oil puddle at a service station with 75.9% of its volume submerged. What is the density of the cube\'s material
A small sphere whose mass is 0.60 g carries a charge of 3.0 x 10-9 C and is attached to one end of a silk fiber 8.00 cm long. Find the angle the fiber makes with the vertical plate
When white light passes during transmission diffraction grating an observer sees in the fringe of the 1st order. A spectrum with the red light being deflected the most. A spectrum with the violet light being deflected the most
A 7.3 x10^3 kg space vehicle and its empty 6.8 x 10^2 kg booster unit are moving together through space at 370 m s. An explosion lasting 2.2s is used to separate the two parts.
Preparing to throw baton A in the air, you hold it at the midpoint and give it a twist with your forearm and wrist that applies a torque of 1.4 m·N for a time interval of 0.50 s. What would be the moment of inertia
A field mouse trying to escape a hawk runs east for 4.0 , darts southeast for 3.0 , then drops 0.50 down a hole into its burrow. What is the magnitude of the net displacement of the mouse
A sledge loaded with bricks has a total mass of 17.0 kg and is pulled at constant speed by a rope. What is the increase in internal energy in the sledge and the surface due to friction
Water flows at the rate of 3.21 kg/s through a hose with a diameter of 3.52 centimeter. Find the speed of water in this hose
Two 4.0 cm × 4.0 cm electrodes spaced 2.0 mm apart form aparallel-plate capacitor. Inside the capacitor the electric fieldstrength is 6.2 X106 N/C. What is the charge on each electrode
A mass M=151 kg is suspended from the end of a uniform boom as shown. Calculate the tension in the horizontal cable
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