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A string with a length of 0.72 m is fixed at both ends. The string is plucked so that there are 6 nodes along the string, in addition to those at either end.
(a) What is the wavelength of the interfering waves for this mode?
A watertight car is submerged under water. What force is required to open a door of area 1.25 m2 if the average depth of water at the door is 1.92 m
neptune circles the sun at a distance of 4.50*10^12 once every 164 years. what is the orbital period of saturn
A uniform thin rod of mass 4.19 kg pivots about an axis through its center and perpendicular to its length. What must the length of the rod be so that the moment of inertia of the three-body system with respect to the described axis is 0.977 kg·m2
Jet aircraft mechanics wearing ear protectors are able to converse with each other because the ear protectors block out the sound of the jet engine. What physics concept would account for this?
Determine how downstream Mach number varies with upstream Mach number for a fixed turning angle. Specifically, for a 6-degree turning angle.
1. all objects radiate energy in much the same way as an ideal blackbody. so why is it difficult to see objects in a
A clown is using a concave make-up mirror to get ready for a show and is 27 cm in front of the mirror. The image is 61 cm behind the mirror. Discover (a) the focal length of the mirror and (b) the magnification.
A 3-point jump shot is released 2.2 m above the ground, 6.02 m from the basket, which is 3.05 m high. For launch angles of 30° and 60°, discover the speed required to make the basket?
LASIK eye surgery utilizes pulses of laser light to shave off tissue from the cornea, reshaping it. A typical LASIK laser emits a 1.4-mm-diameter laser beam with a wavelength of 193nm. Each laser pulse lasts 12ns and contains 1.0mJ of light energy
A 3700-lb automobile (m = 1600 kg) starts from rest on a level road and gains a speed of 45 mi/h (= 72 km/h) in 33 s. What is the average net power delivered to the car during the 33-s interval
Find the minimum or maximum of the quadratic function
A hollow metal sphere has 6 cm and 10 cm inner and outer radii, respectively, What are the strength and direction of the electric fi eld at points 4, 8, and 12 cm from the centre
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