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A 15-lb uniform cylinder can roll without sliding on an incline and is attached to a spring AB as shown. If the center of the cylinder is moved 0.4 in. down the incline and released, determine
(a) the period of vibration,
(b) the maximum velocity of the center of the cylinder.
what is the power output of the laser? Assume that all the light emitted by the laser hits the spot.
The drive motor is shifted to turn the carousel at a higher constant rate of rotation, Calculate the coefficient of static friction between the bag and the carousel
You power a series R-L-C circuit with a sine-wave generator operating at a frequency 1.00 kHz. What is the rms voltage supplied by the source
One of the wavelengths of light emitted by hydrogen atoms under normal laboratory conditions is at ?0 = 656.3nm in the red portion of the electromagnetic spectrum, How fast are the emitting atoms moving relative to the earth
A concave makeup mirror is designed so the virtual image it produces is four times the size of the object when the distance between the object and the mirror is 11.5 cm. What is the radius of curvature of the mirror?
A 70-kg astronaut is space-walking outside the space capsule and is stationary when the tether line breaks. As a means of returning to the capsule he throws his 2.0-kg space hammer at a speed of 14 m/s away from the capsule.
The ultraviolet excimer laser used in the PRK technique (see Section 30.9) has a wavelength of 193 nm. What is the minimum number of photons
A 45 kg trunk is pushed 7.8 m at constant speed up a 30° incline by a constant horizontal force. Calculate the work done by the weight of the trunk.
A hemispherical observation dome is proposed for a new tourist oceanarium and the owners want it as large as possible and as deep as possible. What is the maximum diameter y2 of the dome that is safe from seal failure
A typical coal-fired power plant burns 340 metric tons of coal every hour to generate 750MW of electricity. 1 metric ton= 1000 kg. What is the power plant's thermal efficiency
Clouds in the tropics tend to move from east to west. Consequently, which rhyme best explains a rainbow seen in the tropics.
A circular loop of wire with 10 turns, radius 12.5 cm and resistance 1.5 Ohms is connected to a 12 V power supply. The magnetic field at the center of this loop is _______.
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