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DO NOT POST SIMILAR ANSWERS, THE CALCULATION ISNT WORKING WITH ME. Pat builds a track for his model car out of wood. The track is 10.00 cm wide, 5.00 m long, and 2.78 m high, and is solid. The runway is cut such that it forms a parabola by the equation y = (x - 5)2 / 9. Locate the horizontal coordinate of the center of gravity of this track.
A tuning fork with a frequency of 440 Hz is held just above the top of a uniform glass tube containing water. What is the speed of sound in air
A toy car runs off the edge of the table that is 1.6405 m high. The car lands 0.3311 m from the base of the table how long does it take for the car to fall? The acceleration by reason of gravity is 9.80 m/s2.
A block of mass m1 = 0.55kg is placed on top of another block of mass m2 =0.91kg, What minimum coefficient of static friction between the two blocks will prevent the upper one from slipping
Write an equation for a wave with a frequency of 2Hz, a wavelength of 30 m, and an amplitude of 75 cm
Suppose you're skiing up a 20m tall slope at the indicated angle of inclination. What minimum initial speed must you have at the bottom to just make it to the top
A 11.9-m-long wire of mass 132g is stretched under a tension of 250N . A pulse is generated at one end, Where will the two pulses first meet
find the charge on the block. A very small charged block with a mass of 2.05g is placed on an insulated, frictionless plane inclined at an angle of 17° with respect to the horizontal.
A huge explosion is heard 26.2 miles away. How long does it take the sound to travel that far
A diatomic gas does 320 J of work and also absorbs 600 cal of heat. What is the change in internal energy of the gas?
The needle of a sewing machine moves up and down in the same hermonic motion its driving force comes from a rotating wheel that is powered by an electric motor. how do you imagine that theup-and-down needle comapres with the period of the rotating..
While sitting in your car by the side of a country road, you see your friend, who happens to have an identical car with an identical horn, approaching you. How fast is your friend approaching you
31.3 million excess electrons are inside a closed surface. what is the net electric flux through the surface
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