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A satellite is in a circular orbit around and unknown planet. The satellite has a speed of 1.70 x10^4 m/s, and the radius of the orbit is 5.25 x106m. A second satellite also has a circular orbit around this same planet. The orbit of this second satellite has a radius of 8.60 x 10^6 m. What is the orbital speed of the second satellite?
What is the lowest frequency for standing waves on a wire that is 11.5 m long, has a mass of 120.0 g, and is stretched under a tension of 185.0 N
A block of mass m=1.40 kg oscillates in simple harmonic motion due to the force of the spring to which the block is attached to. Express the displacement of the spring in terms of A when v= vm/2 and find its value
An ideal gas at STP, originally occupying a volume of 0.115 m^3, expands isothermally until its pressure falls to 0.85 atm. How much heat flows into the gas
A combination lock has a 1.5cm -diameter knob that is part of the dial you turn to unlock the lock. What is the most torque you can exert on the knob
Three electrons are placed at the vertexes of an equilateral triangle with side length of 5.1 nm. find the potential energy of this arrangement of charges
An isolated conductor has a net charge of +7.90*10^- 6 C and a cavity with a particle of charge q = +2.30*10^-6 C, find the charge on the cavity wall and outer surface
A spherical mirror is polished on both sides. When the concave side is used as a mirror, the magnification is +2.3. What is the magnification when the convex side is used as a mirror
the speed of sound in helium is 965 m/s. if the density of helium is 0.179 kg/m^3, then what is the bulk modulus of helium
A point source emits 27 W of sound. A small microphone intercepts the sound in an area of 0.63 cm2, 289 m from the source. Calculate the power intercepted by the microphone in Watts
An amateur radio operator wishes to build a receiver that can tune a range from 13.8 MHz to 15.1MHz, What is the required value of the constant inductance
A proton moves eastward in the plane of Earth's 5x10^-5 T magnetic equator so that its distance from the ground is constant
70-kg astronaut is loaded so heavily with equipment that on Earth he can jump only to a height of 10 cm. How high can he jump on the moon
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