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Because sound is a wave, it is possible to make a diffraction grating for sound from a large board with several parallel slots for the sound to go through. When 11 kHz sound waves pass through such a grating, listeners 12 meter from the grating report "loud spots" 1.3 meter on both sides of center.
Evaluate what the spacing between the slots? Use 340 m/s for the speed of sound.
Spark plugs should be tightened to a specified torque of 13.8Nm. You have a wrench that is 0.25 m long, What force must you exert on the wrench
A 0.39 m long and 0.39 m wide loop is moved at a constant velocity of 0.71 m/s into a perpendicular constant magnetic field of 0.51 T. Calculate the magnitude of the induced voltage in the loop.
question a 30-turn 11.5 cm diameter coil is placed between the pole pieces of an electromagnet. when the magnet is
A small pistol fire a 1.5g bullet at 1000 m/s. The bullet strikes a 200g wooden block resting on a horizontal frictionlessl surface, What is the speed of the bullet &block system after the bullet had been embedded in the block
Imagine that instead of going across the river, as in the simulation, the boat first travels directly downstream for a distance of 8.00 km andthen turns around and comes back upstream, returning to the starting point. If the boat speed is 6.00 m/s..
machine part rotates at an angular speed of 0.46 rad/s; its speed is then increased to 2.0 rad/s at an angular acceleration of 0.59 rad/s2
A 1.2 m long 1.7 kg horizontal rod is able to pivot regarding one end. A 35 gm bullet strikes and becomes embedded in the rod at its other end. The bullet is originally moving at 250 m/s and the rod is initially stationary. What is the angular speed ..
Bowling balls can be made from a variety of substances and are required to have a circumference of roughly 27.6 inches. calculate the thickness of the shell
A monochromatic beam of light of wavelength 600 nm is incident normally on a diffraction grating with a slit spacing of 1.70 × 10-4 cm
an ocean liner leaves new york city and travels 16.0deg north of east for 245 km. how far east and how far north has it
after flying for 15 min in a wind blowing 42 kmh at an angle of 34deg south of east an airplane pilot is over a town
A mass is projected upwards from the Earth's surface with an initial velocity of 7000m/s. Determine how far into space it will go before it stops rising and is on the point of returning to earth
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