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A cylindrical buoy of diameter 35 cm floats upright in the water and is submerged to a depth of 1.85 m.
(a) What volume of water does the buoy displace?
(b) What is the buoyant force on the buoy?
(c) What is the mass of the buoy?
Suppose a star with radius 8.39 multiply.gif 108 m has a peak wavelength of 686 nm in the spectrum of its emitted radiation. What is the surface temperature of the star
Determine the net charge contained within the cube.
A simple pendulum uses a steel wire as the "string." The length of this wire is 1.5 m at room temperature. What is the change in the period of the pendulum
What must be the magnifying power of the eyepiece if the total magnification of the specimen is 100X
A ray of light is incident on glass-air interface at the critical angle of 41 deg., what is the refracted angle, What is the strength of a lens which forms an image 24 cm from the lens when the object is 40 cm away
A small light has a 1.0 V, 4.8 W bulb that is powered by a transformer concocted to a 120 V dc power source. How many turns does the primary coil have
A 48.21 {rm kg} ice skater spins about the vertical axis through her body with her arms horizontally outstretched, making 2.20 turns each second. The distance from one hand to the other is 1.5 {rm m}. Biometric measurements indicate that each hand na..
A certain airplane has a speed of 250.0 km/h and is diving at an angle of 30.0° below the horizontal when the pilot releases a radar decoy. The horizontal distance between the release point and the point where the decoy strikes the ground is 700 m..
At one instant, a 19.0-kg sled is moving over a horizontal surface of snow at 5.00 m/s. find the magnitude of the average friction force acting on the sled while it was moving
Antimony (atomic number 51) is composed of two principal isotopes, antimony-121, which has a mass of 120.904 atomic mass units, What is the atomic mass of natural antimony?
A bullet, m kg traveling horizontally at 300 m/s hits a block of wood, mass 10kg. What was the mass of the bullet
An AC generator supplies an rms voltage of 240 V at 60.0 Hz. It is connected in series with a 0.450 H inductor, a 3.90 ?F capacitor and a 316 ? resistor, What is the rms current through the resistor
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