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The flexural strength of a composite material reinforced with glass fibers is 45,000 psi, and the flexural modulus is 18 * 106 psi. A sample, which is 0.5 in. wide, 0.375 in. high, and 8 in. long, is supported between two rods 5 in. apart. Determine the force required to fracture the material and the deflection of the sample at fracture, assuming that no plastic deformation occurs.
A .01 kg bullet is fired into a 5.0 kg wood block that is at rest on a level wood table. The block, with the bullet embedded, slides .05 m across the table. What was the initial speed of the bullet
A circular disk, centered at the origin of a coordinate system, is rotating at a constant angular velocity ?0. In Cartesian coordinates, what is the velocity vector of the point P located at the cartesian coordinate (1,1).
2.0 kg of ice melts into liquid water at 0 C. What is the change of Entropy of the ice (water)
A flask is filled with 1.53 L (L = liter) of a liquid at 91.6 °C. When the liquid is cooled to 10.3 °C, its volume is only 1.14 L, however. What is the coefficient of volume expansion of the liquid
A mass m2 = 1.8 kg, on a 39.4° incline, is connected to a mass m1 = 5.2 kg, on a horizontal surface. find the magnitude of the tension in the connecting cord
A wire of uniform cross section weighing = 8 oz/ft is used to form the wire figure shown, which is suspended from cord AD. An impulse F ?t = (0.5 lb. s)j is applied to the wire figure at point E.
In a certain binary-star system, each star has the same mass whichis 1.6 times of that of the Sun, and they revolve about theircenter of mass. What is their period of revolution in years
A rocket of total mass 3180 KG is travelling in outer space with a velocity of 115 m/s. To alter its course by 35.0°, how much mass must be expelled
A bungee jumper with mass 0.63 kg jumps from a high bridge. After reaching his lowest point, he oscillates up and down, hitting a lowpoint eight more times in 35.3 s. He finally comes to rest 29.0 mbelow the level of the bridge.
two uniformly charged insulating rods are bent in a semicircular shape with radius r 11.9 cm. if they are positioned
a 80 kg student consumes 2500 cal each day and stays the same weight. one day he eats 3500 cal and wanting to keep from
a string stretched between two fixed ends vibrates in its second harmonic with a frequency f=2 Hz. if the velocity that links the frequency and wavelength is equal to 40 m/s, find the wavelength of the stationary wave
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