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Two boxes sit side-by-side on a smooth horizontal surface. The lighter box has a mass of 5.96 kg, the heavier box has a mass of 7.46 kg.
Calculate the contact force between these boxes when a horizontal force of 4.82 N is applied to the light box.
Calculate the contact force if the 4.82 N force is applied to the heavy box instead.
finding the thermal conductivity (k) of a box with total surface area of 1.20 m and a wall thickness of 4cm is made of an insulating material. a 10 W electric heater inside the box maintain the inside temp. at 15 C above the outside temp.
A beam of particles is directed at a 0.017-kg tumor. There are 2.1x10^10 particles per second reaching the tumor, Find the biologically equivalent dose given to the tumor in 19s
After being accelerated to a speed of 1.84×105, the particle enters a uniform magnetic field of strength 1.00 and travels in a circle of radius 35.0. The results of this experiment allow one to find.
A ten pound car wheel has a moment of inertia of 0.38 kg m2. What is the wheel's rotational kinetic energy
The location of a particle (in m) is given by its x, y and z coordinates as function of the time, calculate the y-component of the average velocity between t = 3.00 s and t = 12.00 s
A heat engine has a useful work output of 4.0 kJ and expels 8.0 kJ of exhaust energy in each cycle. what is the engine's thermal efficiency
A thick walled steel cylinder used for storing compressed air is fitted with a safety valve which lifts at a pressure of 1.0 x 10^6M/m2. At what temp will the valve lift
A factory worker pushes a 30.0kg crate a distance of 4.4 m along a level floor at constant velocity by pushing downward at an angle of 31 below the horizontal. What is the total work done on the crate
A carnival merry-go-round rotates about a vertical axis at a constant rate. A man standing on the edge has a constant speed of 3.26 m/s, What is the magnitude of r vector
Find the quantum uncertainty of the position of a car along its direction of motion. Assume that the mass of the car is 1840 kg and its speed is known with accuracy ?v = 1 km/hour
A stone is dropped into a well. The sound of the splash is heard 1.80 s later. What is the depth of the well
An object has a charge of -4.3 ?C. How many electrons must be removed so that the charge becomes +2.8 C?
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