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A nail gun fires a nail into a piece of wood. The nail is going a velocity of 6.8 m/s right before entering the wood. The mass of the nail is .06kg.
a) If the nail is accelerated from rest over a distance of 8.5 cm, what is the average force on the nail?
b) If the nail is 4.2 cm long and stops after the tip of the nail travels 4.2 cm into the wood, what is the average force on the nail by the wood?
The magnetic fild inside a superconducting solenoid is 4.50 T. The solenoid has an inner diameter of 6.20 cm and a length of 26.0 cm. Determind the magnetic energy density in the field
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A certain LCD projector contains a single thin lens. An object 24.0 mm high is to be projected so that its image fills a screen 1.86 m high. Determine the focal length of the projection lens
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In a photoelectric effect experiment, a metal sample is illuminated by 10.0 mW of ultraviolet light of wavelength 240 nm. What is the longest wavelength of light that can knock electrons out of this metal
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The G string on a violin has a fundamental frequency of 196 Hz. It is 28.0 cm long and has a mass of 0.500 g. what is the effective length of her string
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A student sits on a rotating stool holding two 3.0 kg objects. When his arms are extended horizontally, Find the new angular speed of the student
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