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a boy pulls a loaded wagon having a total mass m=100kg. He applies a constant force F=100N along the handle at 30 degrees relative to the horizontal floor. Ignoring friction compute the horizontal force on the wagon and the resulting acceleration.
Assume that it takes 2.30 kg of oxygen to burn 1.00 kg of coal. (The actual amount varies with the type of the coal). What is the total mass of the reagents used in the combustion all through the 30 days.
You have decided to make a large cooler to store meat. Calculate the net rate of heat flow per second out of the cooler if the interior temperature is 5 C and the exterior temperature can be 45 C
A Cassegrain astronomical telescope uses two mirrors to form the image. Compute the radius of curvature of a secondary mirror
Estimate the acceleration of cyclist, and roller coaster.
A 3.1-cm-tall object is 47 cm in front of a converging lens that has a 11.8 cm focal length. Calculate the image position and height. position cm height cm.
A 9 m, 220 N uniform ladders rests against a smooth wall. The coefficient of static friction between the ladder and the ground is 0.55, and the ladder makes a 50° angle with ground. How far up the ladder can an 850 N person climb before ladder beg..
A 4.6 long, 480 steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction.
Nichrome wire of cross-sectional radius 0.782 mm is to be used in winding a heating coil, find the length of wire you must use to wind the coil
Illustrate what are some of these benefits and illustrate what result does the organization hope to realize as a result of providing these inducements?
The cockroach finds a bread crumb on the rim and, of course, stops. Illustrate what is the angular speed of the lazy Susan after the cockroach stops?
A car starts from rest at a stop sign. It accelerates at 4 for 6.4, coasts for 1.5, and then slows down at a rate of 3.5 for next stop sign. How far apart are the stop signs.
An implanted pacemaker supplies the heart with 72 pulses per minute, each pulse providing 3.0 V for 0.95 ms, Find the current that flows during a pulse
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