Find the forces exerted by the floor
A man is doing push-ups. He has a mass of 68 kg and his center of gravity is located at a horizontal distance of 0.70 m from his palms and 1.00 m from his feet. Find the forces exerted by the floor on his palms and feet.
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If the resistance of 24-gauge wire is 137 ohms/mile and the resistance of 26-gauge wire is 220 ohms/mile, what is the ratio of the diameter of 24-gauge wire to that of 26-gauge wire?
Henry Clay community college wants to print name tags for each student and teacher to wear at the first meeting of each class this semester.
A circular loop in the plane of the paper lies in a 0.55T magnetic field pointing into the paper. If the loop's diameter changes from 20.0cm to 5.0cm what is the magnitude of the average induced emf?
1.Click on the following link: Expense Report; save it on your computer in your usual work folder, and then open it in Excel. This partially completed workbook contains an incomplete expense report that needs formatting changed, boxes filled in with
The lift makes an angle of 14.6 degrees with the horizontal. What is the change in the skier's gravitational potential energy?
Two 2.0 kg bodies, A and B, collide. The velocities before the collision are A = (15i + 30j) m/s and B = (-10i + 5j) m/s. After the collision, ′A = (-5i + 20j) m/s. What are (a) the x-component and (b) the y-component of the final velocity o
What is the rms speed of nitrogen molecules contained in an 7.9 m3 volume at 2.1 atm if the total amount of nitrogen is 1100 mol?
She is going fast enough to coast up and over it without peddling. Ignoring air and frictional resistance, find the speed at which the cyclist crests the hill.
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