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A small ball is attached to one end of a spring that has an unstrained length of 0.188 m. The spring is held with the other end, and the ball is whirled around in a horizontal circle at a speed of 2.91m/s. The spring remains nearly parallel to the ground through the motion and is observed to stretch by 0.012 m. By how much would the spring stretch if it were attached to the ceiling and the ball allowed to hang straight down, motionless?
a spring has a spring constant k 14 8.75 nm. if the spring is displaced 0.150 m from its equilibrium position what is
An electron in an atom has an orbital angular momentum with ml = 0. What is the component morb,z? (J*s) What is the component ?orb,z? (J/T) If an atom is in an external magnetic field B of magnitude 45 mT and directed along the z-axis, what is the..
An electron in an oscilloscope is accelerated as a result of the potential difference between the cathode and anode. determine the voltage drop from cathode to anode
A block is connected between two springs on a frictionless,horizontally level track. what is the mass of the block
A 46-N lithograph is supported by two wires. One wire makes a 27° angle with the vertical and the other makes a 12° angle with the vertical. Find the tension in each wire
Two masses are connected by a string which goes over an ideal pulley. Block A has a mass of 4.75kg and can slide along the smooth plane inclined by 37.0 degrees above the horizontal. The masses remain stationary. a) draw a free body diagram b) what m..
Find the mode configurations and frequencies for transverse oscillations of a beaded string of 5 beads with one end fixed and one end free to move. Plot the five points on a dispersion relationship ω vs k
A 120 V potential difference is applied to a space heater whoseresistance is 12 Ω when hot. (a) At what rateis electrical energy transferred to thermal energy?(b) What is the cost in cents for 6.0 h at US5.0¢/kW·h?
A lithium atom, mass 1.17 x 10-26 kg, is vibrating with simple harmonic motion in a crystal lattice, where the force constant is 71.0 N/m. Write the equation relating the energy levels of the harmonic oscillator to the quantities given.
The intensity (in W/m2) of one sound is 7.12 times as great as the intensity of another sound. Relative to the quieter sound
The drawing to the left shows a mass m= 1.5 kg hanging from a spring with spring constant k = 10 N/m. What is the time required for the amplitude of the resulting oscillations to fall to one third of its initial value
A rocket has a total mass of 1.12 105 kg and a burnout mass of 1.09 104 kg, including engines, shell and payload. Estimate the speed at burnout if gravity isn't neglected
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