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A comet is in an elliptical orbit around the Sun. Its closest approach to the Sun is a distance of 4.8 x 1010 meter (inside the orbit of Mercury), determine at which point its speed is 9.6 x 104 m/s. Its farthest distance from the Sun is far beyond the orbit of Pluto.
Find what is its speed when it is 6 x 1012 m from the Sun? (This is the approximate distance of Pluto from the Sun.)
Vector A has a magnitude of 9.10 units and makes an angle of 54.0° with the positive x-axis. Vector B also has a magnitude of 8.00 units and is directed along the negative x-axis. Using graphical methods find the following.
Suppose the sir track glider has a mass of 0.17 kg and the springconnected to it has a spring constant of 2.0 N/m. If the gliderwere pulled along the track until the spring was stretched a shortdistance and then released,
a water droplet with a mass of 22.3 ng 1 ng 1 nanogram 1e-9 g is stationary in the air under the combined influence
A railroad car of mass 2.00 x 10^4 kg moving at 3.00 m/s collides and couples with two coupled railroad cars, What is the speed of the three coupled cars after the collision
Solenoids produce magnetic fields that are relatively intense for the amount of current they carry. To make a direct comparison, Find the magnetic field at the center of the solenoid
the solar constant is the radiant flux density from the sun at the earth's surface and is about 0.135 W/cm^2 when the sun is directly overhead, find the amplitude of the E and B fields
a 33.1-kg child runs with a speed of 2.80 ms tangential to the rim of a stationary merry-go-round. the merry-go-round
You're riding on a carousel ("merry-go-round") that is rotating at a constant 6.00 rpm. By what factor (multiplier) have you changed the magnitude of your total acceleration
A sky diver jumps out of a plane and falls freely for 7.8 seconds before opening the parachute. What is the sky diver's speed when the parachute opens
The rear window of a van is coated with a layer of ice at 0°C. The density of ice is 917 kg/m3, What is the maximum thickness of ice above this area that the defroster can melt in 2.1 minutes
A thick spherical shell of charge Q and uniform volume charge density ? is bounded by radii r1 and r2, where r2 > r1. With V = 0 at infinity, find the electric potential V as a function of the distance r from the center of the distribution, consid..
Derive Lagrange's equation of motion for a uniform thin dizk that rolls without slipping on a horizontal plane under the influence of a horizontal force applied at its center. Determine the generalized force.
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