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Use the small-angle formulas = (θ ×d)/206,265 to answer the following question: What is the actual diameter in light-years of the Cat's Eye Nebula if its angular diameter (arcseconds) = 20 and its distance (light-years) = 3,300?
A uniform field of magnitude 1500 N/C points north. What is the force on an electron placed in the field
A spherical conducting shell has a charge of -45 μC on its outer surface and a charged particle in its hollow. If the net charge on the shell is -32 μC. What is the charge on the inner surface of the shell
When a potential difference of 172 V is applied to the plates of a parallel-plate capacitor, the plates carry a surface charge density of 23.0 nC/cm2
A 81 g bungee cord has an equilibrium length of 1.20 m. The cord is stretched to a length of 1.80 m, then vibrated at 27 Hz. This produces a standing wave with two antinodes.
A parallel-plate capacitor consists of plates of area 1.5 x10^-4 m2 and separated by 1.0 mm. What is the charge on the plates
How will their speeds to relate to each other when they land? Ignore air resistance. Clarify with graph. Draw a graph and explain why it happens.
A thin rod is initially positioned in the vertical direction, withits lower end attached to a frictionless axis that is mounted onthe floor. The rod has a length of 2.00 m and is allowed to fall,starting from rest.
A metal cube of edge 2 cm is drawn into auniform wire of length 2 m. What is the effective resistance of the combination
A 150-kg block slides across ice and comes to a stop in 12.50m. Coefficient of kinetic friction among ice and block is 1.800, what is the frictional force acting on the block? What was the speed of the block before it stopped?
A car tire is pressurized in the morning at a temperature of 200C to 2atm. By afternoon at a temperature of 350C the tire pressure has changed to 2.1atm but the volume has decreased by 2%.
a cargo plane is moving with a horizontal velocity of v=+220 m/s at a height of y=970m above level ground, how much time will it take the package to reach the ground
A roller coaster at the top of a 39.0 m high vertical loop istraveling 13.8 m/s. Find the maximum speed of the cars as they movethrough the bottom of the loop
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