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1. A thin, circular hoop with a radius of 0.32 m is hanging on a nail. Adam notices that the hoop is oscillating back and forth through small angles like a physical pendulum. The moment of inertia of the hoop for the rotational axis passing through the nail is I = 2mr2. What is the period of the hoop?
A charge of -3mc is fixed in a place.a particle with mass=7.20*10-3Kg and charge= -8mc is fired toward the fixed charge from initial distance=.450m.if the particles initial speedis 65m/s,how close will the particle get to the fxed charge? you may n..
The minimum distance required to stop a car moving at 30 mi/h is 50 ft. What is the minimum stopping distance for the same car moving at 61 mi/h, assuming the same rate of acceleration?
A certain transverse wave is described by y(x,t)=Bcos[2pi(x/L - t/T)], where B= 6.80mm , L= 30.0cm , and T= 3.30×10^-2s. Determine the wave's speed of propagation
A farsighted man uses eyeglasses with a refractive power of 1.90 diopters. Wearing the glasses 0.03 m from his eyes, What is the correct contact lens prescription, in diopters
a diverging lens has a focal length of -32 cm. an object is placed 27 cm in front of this lens. calculate a the image
The Physics of Radiology shows the MTF of a screen film for mammography and the MTF of a high-speed screen-film (curves C and D, panel b). Give two physical reasons why the mammography screen-film has a higher geometric resolution.
Three stars, each with the mass and radius of our sun, form the equilateral triangle 5.0×109 {rm m} on a side. If all three are simultaneously released from rest, what are their speeds as they crash together in the center.
A clump of clay of mass 4.9 kg is dropped onto the turntable and sticks at a point 1.5 m from the point of rotation. Find the angular speed of the clay and turntable. Answer in units of rad/s.
A 1.5kg block intially at rest at the top of a 3m incline with a slope of 30degrees begins to slide down the incline. How fast is the block moving midway along the inlcine
A constant force is applied to an object, causing the object to accelerate at 6.0 m/s^2? What will the acceleration be if the force is doubled
Find the total electrostatic potential energy of a solid sphere of radius R that is uniformly charged in volume with total charge Q in terms of Q, R, and k
The elements in a series RCL circuit are a 106 Ω resistor, a 3.30 µF capacitor, and a 0.0310 H inductor. The frequency is 609 Hz. What are the impedance of the circuit
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