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Five point masses m1 through m5 are located at the vertices and the centre (the intersection of the diagonals) of a rectangle of length 10 m and width 6 m, as shown. The point F is midway between A and C and the point E is at the intersection of the diagonals of the rectangle. Imagine the masses to be connected by thin massless rods so that the system can rotate as one unit. Find the moment of inertia of the system for rotation about an axis perpendicular to the paper and (a) passing through A (b) passing through F & (c) passing through D.
Two trains approach each other on parallel tracks. how long (in seconds) will it be before they pass each other
Both systems start from rest, and the direction of the force moves with the system and always points along the 4.00 m rod. What is the angular velocity of each system after 5.28 s.
A 7.1 kg body is at rest on a frictionless horizontal air track when a constant horizontal force actingin the positive direction of an xaxisalong the track is applied to the body. A stroboscopic graph of theposition of the body as it slides to the..
A 73kW radio station broadcasts its signal uniformly in all directions. What is the average intensity of its signal at a distance of 300m from the antenna? I_avg=_______mW/m^2
A block of mass 2.0 kg is pushed against a vertical wall by a horizontal push (P) of 50.0 N. The block does NOT move. Assuming that the coefficient of the static friction, k, is equal to 0.60. Find the force AND the direction of the friction.
You are examining a flea with a converging lens that has a focal length of 4.40 cm. If the image of the flea is 8.00 times the size of the flea, how far is the flea from the lens
White light is shone on a very thin layer of ice (n = 1.31), and above the ice layer, What is the thickness of the ice layer
Discover the charge if the potential dissimilarity between two points that are 4.20 mm from the charge and 8.23 mm from the charge is 220.0V.
Under certain conditions, the human body can withstand an acceleration of 10 g%u2019s. What is the net force (in Newtons) acting on a person
The figure shows the blade of a chain saw. The rotating sprocket tip at the end of the guide bar has a radius of 0.0343 m. Find the angular speed of the sprocket tip in rev/s
An aircraft with a mass of 996 kg accelerates from 0 to 87 m/s in 6.2 seconds, at which time the aircraft launches. What is the kinetic energy of the aircraft when the aircraft launches
What is the rotational kinetic energy of the Earth? Use the moment of inertia you calculated in Part A rather than the actual moment of inertia given in Part B.
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