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A mass of 200 grams stretches a spring 5 cm. The mass is the set in motion from its equilibrium position with an initial downward velocity of 20 cm/sec. assuming that there is no damping, decide the position of the mass at any time t, and decide the frequency and amplitude of the motion.
An archer pulls his bow string back 0.440 m by exerting a force that increases uniformly from zero to 224 N. What is the equivalent spring constant of the bow
Assume two waves of light in air, of wavelength 681nm, are initially in phase. One travels through a glass layer ofindex of refraction n1 = 1.46 and thicknessL. The other travels through an equally thick plasticlayer of index of refraction n2 = 1.15..
an electron with kinetic energy 1.822 x 10-16 j enters a region with a uniform electric field of 12000 nc. the field
White light spans the wavelength range among about 400 nm and 700nm, If white light passes through two slits 0.31 mm apart and falls on a screen 1.3 m from the slits, discover the distance between the first-order violet and first-order red fringes.
a block with a weight of 3.5 n is at rest on a horizontal surface. a 1.2 n upward force is applied to the block by
neutrons of 1.5 mev energy are introduced at the rate of 2x1015 neutronscm3sec into an infinite slab of graphite.
A long thin steel rod is 500.00 centimeter long at 0oC. Find the length of the rod at the higher temperature
A 10 g sample of neon gas has 1700J of thermal energy. Estimate the average speed of a neon atom
Consider a bar (L=3.00m) is sliding to the right on 2 rails with a velocity (0.75 m/s) towards a resistor (20 ohms), calculate the "Magnetic Braking force"
Two point charges have a total charge of 515 µC. When placed 1.15 m apart, the force each exerts on the other is 24.4 N and is repulsive. What is the charge on each.
A charged isolated metal sphere of diameter 8.0 cm hasa potential of 7800 V relative to V = 0 at infinity. Calculate the energy density in the electric field
A standard 100 W (120 V) lightbulb contains a 9.40 cm-long tungsten filament. The high-temperature resistivity of tungsten is 9.0*10^-7Om. What is the diameter of the filament?
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