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Determine the average pressure on the soles of the feet of a standing 81.3 kilogram person due to the contact force with the floor? Each foot has a surface area of 0.02 m2.
The water in a atank is at a gauge pressure of 190,000 Pa. what is the force on the bottom of the tank
a steam pipe is covered with 1.50 cm thick insulating material with a thermal conductivity of 0.200
A ball is thrown straight up by a student at rest on the surface of Earth. A graph of the position y as a function of time t, in seconds, is shown above. Air resistance is negligible. What is the initial speed of the ball?
question derive the expressions to find the wavelength of a particle of mass m and charge q accelerated through a
In an oscillating LC circuit in which C = 850 mF, the maximum potential difference across the capacitor during the oscillations is 12.8 Volt and the maximum current through the inductor is 150 mA. Determine the frequency of the oscillations
An object is placed 6 cm from a convex spherical mirror by a focal length of 3 cm. Estimate where the image is located and what its characteristics are.
apart, the first being 3 feet from a basket. If the basket and all of the stones are in a straight line, how far does a person travel who starts from the basket
An object of mass M = 15.0 kg is attached to a cord that is wrapped around a wheel of radius r = 12.0 cm and mass m = 50.0 kg. The object slides down a frictionless incline which makes an angle ? = 40.0° with the horizontal. Assume the axle of the..
A 800-N passenger in a car presses against the car door with a 200N force when the car makes a left turn at 13 m/s. The (faulty) door will pop open under a force of 800N.Of the following, the least speed for which the passenger is thrown out of the c..
The identical twins Speedo and Goslo join a migration from the Earth to Planet X. It is 20.0 light-years away in a reference frame in which both planets are at rest. T
q1. an audience of 2750 fills a concert hall of volume 35000 m3. if there were no ventilation by how much would
Two masses m1= 5.00 kg and m2 = 3.00 kg are connected by a string, What is the frictional coefficient of the surface
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