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A bifilar-type centrifugal pendulum is proposed to eliminate a torsion al disturbance of frequency equal to four times the rotation al speed.
If the distance R to the center of gravity of the pendulum mass is 4.0 in. and (d1=3/4) n., what must be the diameter d2 of the pins?
A 70 g disk sits on a horizontally rotating turntable. The turntable makes exactly 4 revolutions each second. The disk is located 16 cm from the axis of rotation of the turntable. What is the frictional force acting on the disk
As a woman walks, her entire weight is momentarily placed on one heel of her high-heeled shoes. Calculate the pressure exerted on the floor by the heel if it has an area of 1.50 cm2 and the woman's mass is 55.0 kg. Express the pressure in Pa.
A football player with a mass of 87 kg and a speed of 2.1 m/s collides head-on with a player from the opposing team whose mass is 120 kg, Find the speed of the players after the collision
It is desired that a solenoid 39cm long and with 410 turns produce a magnetic field within it equal to the Earth's magnetic field (5.0 x 10^-5 T). What current is required? Express in 2 significant figures.
An 8.5- {rm kg} point mass and a 15- {rm kg} point mass are held in place 50- {rm cm} apart. A particle of mass m is released from a point between the two masses 19- {rm cm} from the 8.5-{rm kg} mass along the line connecting two fixed masses.
1. A RLC circuit has the lumped parameters, R= 1 Ohm, L=0.5 Henry, C=0.5 Farad. An external voltage is applied, given by V=3 cos(Ωt) Volt. The external frequency Ω is varied to achieve (soft) resonance.
if 470 J of heat are added to 65 moles of a monatomic gas at constant volume, how much does the temperature of the gas increase
When a thin slab of semiconducting material is illuminated with monochromatic electromagnetic radiation, Determine the energy gap of the semiconductor
If a person can jump a maximum horizontal distance (by using a 45° projection angle) of 2.2 m on Earth, what would be his maximum range on the Moon, where free-fall acceleration is g/6 and g = 9.80m/s2.
What is the charge density on the surface. suppose that air resistance can be neglected.
A proton is bent into a circular path of radius 4 meter by a magnetic field of 0.3 T. The momentum of the proton is 360 MeV/c. Determine what is its kinetic energy
Two steel wires of the same length, one with radius r and the other with radius 3r, are connected together, end to end, and tied to a wall. How far does the point where the two wires meet move
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