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An object of mass m1 = 9.50 kg is in equilibrium when connected to a light spring of constant k = 100 N/m that is fastened to a wall . A second object, m2 = 7.00 kg, is slowly pushed up against m1, compressing the spring by the amount A = 0.210 m. The system is then released and both objects start moving to the right on the frictionless surface. How far apart are the objects when the spring is fully stretched for the first time?
A wire carries a current of 6.0 A in a direction that makes an angle of 32.0°, Find the magnetic force on a 7.00 m length of the wire
A sinusoidal EM wave has an electric field amplitude Em = 30.6 mV/m. What is the average energy density
What structural feature distinguishes an aromatic hydrocarbon from an aliphatic hydrocarbon? Give the general molecular formulas for alkenes, cycloalkanes, alkenes, and alkynes. Write the structural formula for one example of each of these classes..
What capacitance is needed to produce a resonance frequency of 95 MHz? If the capacitance is increased above the value found in part (a), will the impedance increase, decrease, or stay the same? Explain.
The heat death of the universe seems to be a logical consequence of the Second Law of Thermodynamics. Look for information about this theory and refute.
A cable stretches by an amount d when it supports a crate of mass M. The cable is then cut into three equal pieces. If the same crate is supported by any one of these pieces, by how much will the cable stretch?
compute the perpendicular components of a 25 n force applied at an angle of 20 degrees counterclockwise with respect to
What is the escape speed on a spherical asteroid whose radius is 585 km and whose gravitational acceleration at the surface is 2.5m/s2? How far from the surface will a particle go if it leaves the asteroid’s surface with a radial speed of 1000 m/s?
For a reversible cycle, determine the heat added, The heat rejected, The work done and the thermal efficiency of the cycle.
Evaluate the critical angles for zircon and ice when surrounded by air. Suppose that λ = 589 nm
The magnetic fild inside a superconducting solenoid is 4.50 T. The solenoid has an inner diameter of 6.20 cm and a length of 26.0 cm. Determind the magnetic energy density in the field
A model rocket blasts off from the ground, rising straight upward with a constant acceleration for a time of 1.90s. What is the maximum altitude of the rocket
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