Weight hanging from a spring
A weight hanging from a spring is seen to bob up and down over the distance of 25 centimeters 2 times each second.
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(i) Determine the velocity (magnitude and direction) of the second ball subsequent to collision.
A grunting porpoise produces a sound of 78 Hz. Determine the wavelength of the sound in water, where the speed of sound is 1500 m/s? (Answer must in meters, enter the number value simply.
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The hole in an aluminum plate consists of a diameter of 1.179 cm at 23.00 degrees Celsius. i) Find the diameter of the hole at 197.0 degrees Celsius?
The skipper on a boat notices wave crests passing the anchor chain each and every 5 s. He estimates the distance between wave crests to be 15 m. He as well correctly estimates the speed of the waves. Determine the speed?
The electron and a neutron encompass the similar wavelength. Determine the ratio of (i) Their kinetic energies and (ii) their momentum?
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