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In a Brinell hardness test, a 1500-kg load is pressed into a specimen using a 10 mm diameter hardened steel ball. The resulting indentation has a diameter = 3.2 Determine the Brinell hardiness number for the metal. If the specimen is steel, estimate the tensile strength of the steel.
A large tanker truck can carry 30 ton (30,000 lb) of liquid. (a) What volume of water can it carry? (b) What volume of gasoline can it carry.
Determine what is the minimum work needed to push a 1275 kilogram car 290 meter up along a17.5 degree incline
A light bulb is filled with inert gas to 81060 Pa (absolute) at 20 degrees celcius. atmospheric pressure= 101325 Pa, what is the guage pressure in kPa?
a gas at p=40kpa and T= 310K hass a mass density of 8.44*10^-2kg/m3, what is the rms speed of the atoms in the gas
A ship sets out to sail to a point 182-km due north. An unexpected storm blows the ship to a point 158-km due east of its starting point. How far must it now sail to reach its original destination.
a) Calculate the new moment of inertia of the person. b) If angular momentum is conserved, what is the angular velocity of the person-carousel system once the person reaches the edge?
An unmarked police car, travelling a constant 94 km/h, is passed by the speeder travelling 153 km/h. precisely 0.70 s after the speeder passes, policeman steps on the accelerator. If the police car's acceleration is 2.30 m/s^2, how much time elapses ..
A jet airplane is in level flight. The mass of the airplane is m = 8870 kg. At what angle is the airplane banked
Two trains, each having a speed of 22 km/h, are headed at each other on the same straight track. What is the total distance the bird travels
The specific heat of water is 4186 J/kg•K. The latent heat of fusion is 333 kJ/kg. The density of water is 1.0 g/cm.
Show that the net force on each electron is toward the nucleus and has magnitude The energy needed to remove both electrons is just the negative of the energy you found in part.
A force vector has a magnitude of 584 newtons and points at an angle 45o of below the positive x axis. What are (a) x scalar component and (b) y scalar component of the vector.
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