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Two people are pushing their stalled car up a hill with anincline of 4.20 degrees. They are pushing parallel to the surfaceof the hill. The cars mass is 954 kg. What is the combined forcethey must apply to keep the car moving at a constant speed up the hill? Ignore the forces of friction and air resistance.
a 1.6kg wood block is pulled along a wood floor at a steady speed. a second wood block with mass 4.2kg is attached to
An electric motor turns a flywheel through a drive belt that joins a pulley on the motor and a pulley that is rigidly attached to the flywheel, Find the tension in the lower (slack) segment of the belt
How far from the center of the earth must you go so that your weight is half of that at the surface of the earth
Determine and explain the ways a corporation can use advanced Excel tools such as MIN and MAX statement, conditional formatting, and additional tools that have found to manage their business finances.
A 5 kg ball is thrown upward with an initial speed of 30 meters per second. Suppose there is a constant air resistance of 25N opposing the motion during its entire up and down path. How long will it take to get to the highest point in its path? How h..
A cylindrical tank with a large diameter is filled with water to a depth D = 0.298 m. What is the rate at which water flows out
A Cepheid variable has been found to have a period of 22 days, from this its luminosity is determined to be 2.8 x 1029 W, calculate the distance to the Cepheid
A horizontal water main with a cross-sectional area of 188 cm^2 necks down to a pipe of area 49.0 cm^2. Determine the flow rate through the system
The angularmomentum of a flywheel having a rotational inertia of 0.100 kgm2 aboutits central axis decreases from 3.40to 1.800 kgm2/s in0.90 s. How much work is done on the wheel
A charged paint is spread in a very thin uniform layer over the surface of a plastic sphere of diameter 18.0cm , giving it a charge of -12.0?C. Find the electric field just inside the paint layer
Find the tension in each of the two ropes supporting a hammockif the first one is at an angle of 13.5° above the horizontal and the second is at anangle of 35.4° above thehorizontal. The person sleeping in the hammock (unconcerned abouttensions an..
A horizontal spring-mass system oscillates on a frictionless table. If the mass is 3.8 kg, the spring constant is 100 N/m, find the maximum extension of the spring
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