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A plane has a takeoff speed of 88.3 m/s and requires 1365 m to reach that speed. Determine the acceleration of the plane and the time required to reach this speed.
A brass wire is to withstand a tensile force of 350N without breaking. What minimum diameter (in mm) must the wire have
An incandescent light bulb produces light because current in a tungsten filament is trnsformed into other types of energy. identify the type of energy, other than light,produced by the incandescent light bulb. describe how this energy is directly res..
A plane lifts off at a speed of 275 km/hr at an angle of 25degrees. What is its speed relative to the ground? How fast is it rising
A barbell spins around a pivot at its center . The barbell consists of two small balls, each with mass m = 460 grams, at the ends of a very low mass rod whose length is L = 24 cm. The barbell spins with angular speed ω = 50 radians/s.
one recent study has shown that x rays with a wavelength of 0.0050 nm can produce significant numbers of mutations in
A sinusoidal wave of wavelength 1.95m and amplitude of 0.125m travels on a string with a speed of 1.12m/s to the right. calculate the maximum speed of any element in the string
A commonly used method of fastening one part to another part is called "shrink fitting." A steel rod has a diameter of 2.0044 cm, By how many Celsius degrees should the rod be cooled
A storage tank contains 21.6 kg of nitrogetn (N2) at an absolute pressure of 3.65 atm, What is the volume of the tank
Imagine that a hypothetical life form is discovered on our moon and transported to Earth. calculate the heat lost by each body from the vaporization of sweat
Consider a concave mirror with a focal length of 18.90 cm. Find the location of the image when the object is 10.20 cm from the mirror. What is the magnification of the image? What is the radius of curvature of the mirror in cm? Is is virtual and u..
A world champion hammer thrower, rotates at a rate of 3.5 revolutions/sec just prior to releasing the hammer. What was the linear velocity of the hammer at release
A 10-cm-diameter disk emits light uniformly from its surface. 20 cm from this disk, along its axis, is an 9.0-cm-diameter opaque black disk; the faces of the two disks are parallel. 20 cm beyond the black disk is a white viewing screen.
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