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A submarine is 300 m horizontallyout from the shore and 143 m beneaththe surface of the water. A laser beam is sent from the sub so that it strikes the surface of the water at a point 232 m from the shore. If the beam just strikes the top of a building standing directly at the water's edge, find the height of the building.
A 4 kg mass is hung from a string which is wrapped around a cylindrical pulley (a cylindrical shell). If the mass accelerates downward at 4.90 m/s2, what is the mass of pulley.
In a house the temperature at the surface of a window is 23°C. The temperature outside at the window surface is 4°C. What is the temperature at the outside window surface
a 2.00kg block hangs from a spring. a 300g body hung below the block stretches the spring 2.00cm farther. a what is the
A refinery buys gas that is metered at 52 degrees F and 250 psig. The refinery pays for the gas in a price per SCF. How many SCF were purchased
a what is your average speed from houston back to san antonio?nbspkmhb what is your average speed for the entire
A 75-kg water skier is being pulled by a horizontal force of520 N an has an acceleration of 2.4 m/s2. what force is needed to pull the skier at a constant velocity
a hollow conducting sphere inner radius ra 18cm and outer radius rb24cm has a charge of -3.7n c is placed on the
A laser with wavelength d/8 is shining light on a double slit with slit separation 0.450mm. What is the wavelength of the second laser that would place its second maximum at the same location as the fourth minimum of the first laser
a composite slab with dimensions d1 = 10.8 cm, d2 = 3.00 cm, and d3 = 14.0 cm. What are the coordinates of the center of mass of the slab
In a transformer, the voltage across the primary coil is 120 V rms, and the voltage across the secondary coil is 10 kV rms (i.e. 10 000V). What is the impedance of the secondary coil
The crankshaft in a race car goes from rest to 3360rpm in 2.0s . What is the crankshaft's angular acceleration
A small air-core solenoid has a length of 18 cm and a radius of 0 . 53 cm. The permeability of free space is 1 . 25664 × 10 ? 6 N / A 2 . how many turns per centimeter (whole turns plus fractional turns) are required
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