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A 5.0-g mass if sandwiched between two springs with spring constant k1 aand k2. The mass is didplaced 10 cm from its equilibrium position and makes sixteen complete oscillations in 1 s with no loss of mechanical energy. Calculate the period of the motion T, the angular frequency, the sum of the spring constants k1+k2 , and the mechanical energy E of the oscillator.
If each rock strikes the fixture traveling at 10.0 {rm m}/{rm s} horizontally and rebounds at 2.00 {rm m}/{rm s} backwards, find out how high above the lowest point does the impact make your light fixture swing?
A prospector finds a solid rock composed of granite (? = 2650 kg/m3) and gold. What percentage of the rock is gold by volume
Two capacitors C1 and C2 are connected in parallel to one another, Find the equivalent capacitance of the system if the C1, C2, C3 are respectively 4, 6, 3.6 uF respectively
To get the top spinning, its string is pulled with a tension of 0.30. Explain how long does it take for the top to complete the first five revolutions? The string is long enough that it is wrapped around the top more than five turns.
A krypton laser produces a cylindrical red laser beam 3mm in diameter with 4W of power. What is the light intensity on a wall 5.0 m away from the laser.
A projectile is projected from the origin with a velocity of 25.0 m/s at an angle of 50.0 degrees above the horizontal. What is the time of maximum height of the projectile? A.)2.03 s B.)3.45 s C.)1.95 s D.)2.67 s E.)3.01 s
Unpolarized light with an intensity of 650 W / m2 is incident on a polarizer with an unknown axis. What is the angle between the axes of the polarizers
The distance between two successive minima of a transverse wave is 2.57 m. Five crests of the wave pass a given point along the direction of travel every 12.4 s. Find the frequency of the wave
A girl with a mass of 40 kg is swinging from a rope with a length of 3.2 m. What is the frequency of her swinging
A bicyclist is finishing his repair of a flat tire when a friend rides by with a constant speed of 3.6 m/s. How much time does it take until he catches his friend
A red laser from the physics lab is marked as producing 632.8-nm light. When light from this laser falls on two closely spaced slits, What is the wavelength of light produced by the pointer
an electric on a airplane operates 20.8 volts a draws a current of 14.7amps. How much energy in joules does the motor use
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