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A 9,500-kg truck runs into the rear of a 1,000-kg car that was stationary. The truck and car are locked together after the collision and move with speed 5 m/s. Compute how much kinetic energy was "lost" in this inelastic collision. Please show step by step as well as the formulas.
At an altitude of 260 m above the Earth's surface, the field is only 105 N/C. Calculate the charge density of the air (assumed constant).
How fast (in rpm) must a centrifuge rotate if a particle 6.6cm from the axis of rotation is to experience an acceleration of 200000g's
Why does water in a metal canteen stay cooler if the cloth jacket surrounding the canteen is kept moist? Does an ordinary electric fan cool the air? why or why not?.if not why utilize it?
The density of the sea water is 1025 kg/m3. The density of ice is 917 kg/m3. Explain how high does the top of the ice block float above the water level?
A three-step cycle is undergone by 3.4 mol of an ideal diatomicgas: (1) the temperature of the gas is increased from 200 K to 400 K at constanr volume;
If a index card is 3inx5in and another is 5in x7in find the conversion factor by dividing the value in cm/in. Calculate the area of both index cards
A 1500 kg car increases its speed from 15 m/s to 18 m/s in 15 seconds. What is the resultant work done on the car
A spring stretches by 0.0165 meter when a 4.01 kilogram object is suspended from its end. Find how much mass should be attached to this spring
A tennis ball gun launches tennis balls at 17.6 m/s . It's pointed straight up and launches one ball; 2.0 s later, What is the second balls' velocity at that point
A war-wolf or trebuchet is a device used during the Middle Ages to throw rocks at castles and now sometimes used to fling large vegetables and pianos as a sport. A simple trebuchet.
A slender, 100- g bar magnet 20.0 cm long has a magnetic moment of 5.60 Am2. It is held at an angle of 45o to the direction of a uniform magnetic field. What is the magnitude of the magnetic field
assess the benefits brought about by the application of lean techniques at wiremold. explain your answer by describing
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