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The mean distance of Mars from the Sun is 1.52 times that of Earth from the Sun. From Kepler's law of periods, calculate the number of years required for Mars to make one revolution about the Sun.
Determine the mass of Earth from the period T and the radius r of the Moon's orbit about Earth. T = 27.3 days and r = 3.82 ? 105 km.
The three charged particles in the figure below are at the vertices of an isosceles triangle (where d = 3.80 cm). calculate the electric potential at point A, the midpoint of the base
Geostationary satellites used for television, weather tracking, or defense purposes are satellites that remain stationary over one point on the equator, What must be the period of the satellite's orbit
Two particles are fixed to an x axis: particle 1 of charge q1 = 1.86 x 10-8 C at x = 27cm and particle 2 of charge q2 = -3.63q1 at x = 77.7cm. At what coordinate on the x axis is the electric field produced by particles equal to zero.
Consider a horizontal spring of spring constant 30 N/m. A 2 kg mass is attatched to the spring and pulled .05 m from the equilibrium position along a frictionless table. what is the maximum speed of the vibrating mass
A particle of mass 0.350 kg is attached to the 100-cm mark of a meterstick of mass 0.200 kg. Calculate the angular momentum of the system when the stick is pivoted about an axis perpendicular to the table through the 50.0-cm mark
A long cylindrical tube of length L, and density ?t, is very slightly weighted on one end so that it floats upright in a fluid having density, determine the period of the oscillation in terms of L, t, and f
Many communications satellites orbit the earth in geostationary orbits. (They appear to remain in the same positions in the sky for observers on the earth's surface.) If such a satellite orbits at a height of 40,000 km, estimation the time delay in a..
Consider three identical metal spheres, A, B, and C. Sphere A carries a charge of +3q. Sphere B carries a charge of -q. Sphere C carries no net charge.
You have three resistors with values 3.7?, 2.8?, 5.1?, and a battery of 3.6V. You begin by connecting the three resistors in parallel, What is the magnitude of the current in the 2.8 resistor
An 8 g of ice cube at %u2013 120 C is put into a thermos flask containing 100 cm3 of tea at 850C. What is the drop in temperature for tea
The nonconservative wind and lift forces take the balloon up, doing +9.70 104 J of work on the balloon in the process. Evaluate at what height above the surface of the earth does the balloon have a speed of 7.00 m/s? Enter a number.
q1. a spring with spring constant 14 hangs from the ceiling. a ball is attached to the spring and allowed to come to
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