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Two identical 1.60kg masses are pressed against opposite ends of a spring of force constant 1.60N/cm , compressing the spring by 25.0cm from its normal length.
Find the maximum speed of each mass when it has moved free of the spring on a smooth, horizontal lab table.
A series RLC circuit with L = 15 mH, C = 3.1 F, and R = 4.7 is driven by a generator with a maximum emf of 120 V and a variable angular frequency 8700. Find out phase angle (in degrees).
Two 12-cm-diameter charged rings face each other, 17.0 apart. Both rings are charged to + 40.0. What is the electric field strength at the midpoint between two rings.
When she stands 3.5m from you, what is the height of her image formed on the retina of your eye, What is the height of her image when she is 4.5 m from you
A convex lens with a 10-cm focal length is in front of a concave lens with a 10-cm focal length. The lenses are separated by 40 cm. Where is the final image with respect to the convex lens
A projectile is launched straight up at 59 m/s from a height of 73 m, at the edge of a sheer cliff. The projectile falls, just missing the cliff and hitting the ground below.
Three charges are on the y-axis. Two of the charges, each ?2q, are locatedy=±d, and the third charge, +4q, Derive an expression for the electric field at a point P on the x-axis
The core of an optical fiber has an index of refraction of 1.27, What is the critical angle for total internal reflection at the core-cladding interface
An electron in a television picture tube has a classical kinetic energy of 60 keV, which is the kinetic energy that Newton would calculate using the measured speed, What is the actual kinetic energy of the electron
A plate carries a charge of -3.9 µC, while a rod carries a charge of 2.9 µC. How many electrons must be transferred from the plate
A protostar has a temperature of 3000 K,radius of 2*10^8 km at stage 4. At stage 6, Calculate the star's change in absolute magnitude as it evolves from stage 4 to stage 6
A headphone manufacturer warns that to protect your hearing, What is the corresponding sound intensity
For a certain change, the value of ëU is -2.37 kJ. During the change, system absorbs 650 joules. How much work did the system do.
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