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A sailor strikes the side of his ship just below the waterline. Hehears the echo of the sound reflected from the ocean floor directlybelow 1.87 s later. How deep is the ocean at this point?
The supersonic aircraft Concorde has a length of 63.0 m when sitting on the ground on a typical day when the temperature is 15.0 C . The Concorde is primarily made of aluminum. In flight at twice the speed of sound, friction with the air warms the Co..
Car headlights use concave mirrors. There's a concave mirror in the back of the headlight socket, and the actual light bulb is placed somewhere along the principal axis. Your question for this essay:
A coil with an inductance of 16.8 H and a resistance of 5.5 ? is suddenly connected to a resistanceless battery with an ? = 194.0 V. What is the rate at which thermal energy is appearing
A 1.80-kg particle moves in the xy plane with a velocity of v = (4.60i ? 3.20j ) m/s. Determine the angular momentum of the particle
Find the positions of the two masses at any subsequent time t (before either mass returns to the table) and describe the motion.
A 60-kg runner expends 295 W of power while running a marathon. determine the mass of bodily fluid (assume it is water) lost per hour
There are two coherent microwave sources in the x-y plane. These sources are emitting in phase at a wavelength of ? = 1.00 cm. where is the first source located on the y axis
Given a uniform ring of charge, with charge q=+30E-6 C and radius 0.2 m. Find the magnitude of linear charge density for the ring
A spacecraft power system generates electricity by absorbing heat from a nuclear reactor operating at 500 C and expelling heat from a radiator operating at 100 C. What is the theoretical maximum efficiency of the system? (Don't forget, temperatures..
To focus a camera on objects at different distances, the converging lens is moved toward or away from the film, so a sharp image always falls on the film. A camera with a telephoto lens (f = 215.0 mm) is to be focused on an object located first at..
After the collisions the clay-rod system has an angular velocity ω about the pivot. With respect to the pivot point O, elucidate the magnitude of the initial angular momen-tum Li of the clay-rod system?
Determine the fraction of the magnitude of kinetic energy lost by a neutron (m1 = 1.01 u) when it collides head-on and elastically with a target particle at rest
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