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The large swimming pool has a thermal cooling time constant of 12 days. How long will it take for the water temp. to drop from 40 degrees C to 30 degrees C? Actual temp being measured by a digital thermometer. You can assume that the outdoor temp stays constant at 25 degrees C for this problem.
To fill a child's inflatable wading pool, you use a garden hose with a diameter of 2.90 cm. Water flows from this hose with a speed of 1.50 m/s. How long will it take to fill the pool to a depth of 25.0 cm if the pool is circular and has the diame..
A beam of ultraviolet radiation, with frequency of 2.64x1015 Hz is directed on a clean metal surface. The work function of the metal is 3.40 eV. Calculate the maximum kinetic energy for an electron dislodged from the surface by the radiation.
A gas has a volume of 3m3 when it is at the temperature of 23K. It's temperature now hoes up to 46K. WHat is it's new volume.
A 9.8 kg board is wedged into a corner and held by a spring at a 50.0° angle, Find the amount by which the spring is stretched from its unstrained length
Monochromatic light falls on two very narrow slits 0.045 mm apart. Successive fringes on a screen 5.00 m away are 6.2 cm apart near the center of the pattern. estimate the frequency of the light
Consider a system with a damping force undergoing forced oscillations at an angular frequency W (omega). What is the instantaneous kinetic energy of the system? What is the instantaneous potential energy of the system?
Two musics students are tuning their guitars before arehearsal. If one middle C (262Hz) and the other plays a C sharp(277Hz), what will the frequencty of the bear be
A disk with mass m = 5.4 kg and radius R = 0.47 m hangs from a rope attached to the ceiling. What is the period of precession for this gyroscope
Light strikes a cube with index of refraction (2) at an angle of 30 deg. At what angle will the light exit the cube
A particle that carries a net charge of 9.58x10^(-5)C is held in a region of constant, uniform electric field, What is the potential difference between the particle\'s initial and final positions (Vf - Vi)
A spaceship with an earth weight of 3430 N is sent to Mars, which has radius, RM = 3.40 × 106 m, Find the weight of the spaceship on the Martian surface
A 150 g glider on a horizontal, frictionless air track is attached to a fixed ideal spring with force constant 180 N/m. What is the angular frequency of the oscillations
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