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A 2 Kg frictionless block is attached to an ideal spring w ith force constant 300 N/m. At t = 0 the block has velocity - 4 m/s and displacement + 0.2 m. Find the phase angle.
A baskerball player makes a jump shot. The 0.600 kg ball is released at a height of 2.0 m above the floor with a speed of 7.20 m/s. What is the work done on the ball by air resistance
A gold prospector finds a solid rock that is composed solely of gold and quartz. Evaluate the mass of the gold in the rock
A 66 kg solid sphere with a 14 cm radius is suspended by a vertical wire. What is the period of the oscillations
question an emf of 10 v is connected to a series rc circuit consisting of a resistor of 2.0 x 106nbspomega and a
A daredevil decides to jump a canyon. Its walls are equally high and 12 m apart. What minimum speed must he have in order to clear the canyon
A solid sphere (M=2.0 kg and R=0.5 m) is rolling without slipping on a horizontal surface at speed vcm=4.3 m/s, How high will it go on the incline before it rolls down
q1. potassium iodide has an interplanar spacing of d 0.296 nm. a monochromatic x-ray beam shows first-order
Gold has one conduction electron per atom. Its density is 19.3gr/cm3,molar mass is 197 gr/mole, determine The drift speed vd of the electrons in the wire
A ball of mass 0.120 kg is dropped from rest from a height of 1.25 m. It rebounds from the floor to reach a height of 0.600 m. What impulse was given to the ball by the floor
a glass lens has a scratch-resistant plastic coating on it. the speed of light in the glass is 0.670c and the speed of
a boy whirls a small stone attached to a 1.5m string in a horizontal circle 2.0m above the ground. the string suddenly
A carnival merry-go-round rotates about a vertical axis at a constant rate. A man standing on the edge has a constant speed of 3.26 m/s, What is the magnitude of r vector
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