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The ends of the three cables are attached to a ring at A and to the edge of a uniform 150-kg plate. Determine the tension in each of the cables for equilibrium.
A worker stands still on a roof sloped at an angle of 31° above the horizontal. He is prevented from slipping by a static frictional force of 320 N. Find the mass of the worker
A bicyclist of mass 75 kg ( including the bicycle) can coast down a 4.0 degree hill at a constant speed of 10 km/h. Pumping hard,the cyclist can descend the hill at a speed of 30 km/h.
A series RLC circuit contains an AC generator (120 volts rms, frequency = 60 Hz), a 35.0 ohm resistor, a 1.49×10^?5 F capacitor, Determine the inductive reactance
what is the difference between intersecting snd perpendicular lines? can two line exist that are not intersecting or
A person can survive a feet-first impact at the speed of about 12 m/s (27 mi/h) on concrete; 15 m/s (34 mi/h) on soil; and 34 m/s (76 mi/h) on water. Why are there different values for different surfaces.
what is the kinetic energy of a ball of mass 16.1 kg at the apex (highest point) of its trajectory, if it is thrown with an initial speed of 45 mph
During normal operation, a computer's hard disk spins at 7200 rpm. what is the average angular acceleration of the hard disk in rad/s2
A muon is formed high in the Earth's atmosphere and travels at a speed 0.9 c with respect to the Earth. What is the value of the Lorentz gamma factor associated with the muon's motion
It takes 2.47ms for the current in an LR circuit to increase from zero to 0.70 its maximum value. Determine the time constant of the circuit
A 71.0 kilogram boulder is placed on a 2.00 meter long board, at a point that is 1.40 meter from one end. find what forces does Cliff applies to the board
A horizontal force of 80 N acts on a mass of 6 kg resting on a horizontal surface. The mass is initially at rest and covers a distance of 5 m in 0.92 s under the action of the force. find the coefficient of friction between the mass and the surface
Imagine two 2.5g bags of protons, one at the earth's north pole and the other at the south pole. How many protons are in each bag
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