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A 4.0 kg mass is hung vertically from a spring with a spring constant of 510 N/m. It is pulled down from its equilibrium position by 2.0 cmand allowed to oscillate. What is the magnitude of the maximum acceleration of the mass? What is the magnitude of the maximum speed of the mass? What is the energy stored in the oscillatory motion? What are the period and frequency of oscillation?
In the fastest measured tennis serve, the ball left the racquet at 73.14 m/s. How far did the ball travel during the serve
A 990 g block oscillates on the end of a spring whose force constant is k = 66 N/m. What is the fractional decrease in amplitude per cycle
A freshly prepared sample of a certain radioactive isotope has an activity of 10.0 mCi. After 4.50 h, the activity is 7.80 mCi. Find the decay constant and half-life of the isotope
A sealed bottle at 1 atm of pressure holds 1 mole of neon and 1 mole of argon gas at a temperature of 295 K. Find the volume of the bottle
A huge explosion is heard 77.7 miles away. How long does it take the sound to travel that far
Unpolarized light passes through two polaroid sheets. What fraction of the initial light is transmitted
A beam of X-rays having a wavelength of .09nm impinges on an unknown crystal. What is the spacing between the atomic plates
The angular momentum of a flywheel having a rotational inertia of 0.250 kg·m2 about its central axis decreases from 2.80 to 1.800 kg·m2/s in 1.00 s. What is the average power of the flywheel
A motorist drives north for 35 minutes at 85 km/h and then stops for 15.0 minutes. He then continues north, traveling an additional 130 km in 2 h.
A luminous object is 3.40m from a wall. You are to use a concave mirror to project an image of the object on the wall, How far should the mirror be from the wall
A common flashlight bulb is rated at 0.108 A and 3.28 V (the values of current and voltage under operating conditions). estimate the temperature of the tungsten filament when the bulb is turned on
A 22 nC charge is placed at the origin of an x-y coordinate system. A 16 nC charge is placed at coordinate (0, 8cm) and a -14 nC charge is at (-6cm, 0). What is the electric potential at coordinate (-6cm, 8cm)
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