What is the ratio of mars orbital speed
The distances from the Sun at perihelion and aphelion for Mars are 2050·105 km and 2490·105 km, respectively. What is the ratio of Mars' orbital speed around the Sun at perihelion to that at aphelion?
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Drawing on Eratoshthenes' method, if two observers are due north and south of each other and are seperated by 400 km, what is the circumference of their spherical world if they see the same star on their meridian at altitudes of 23 degrees and 47
What is the electromagnetic flux coming from the surface of a 3000K blackbody(show work)
A barefoot field-goal kicker imparts a speed of 40 m/s to a football initially at rest. If the football has a mass of 0.43 kg and the time of contact with the ball is 0.029 s, what is the force exerted by the ball on the kicker's foot?
What is the potential difference across one wire of a 50 m extension cord made of 16 gauge copper wire carrying a current of 4 A
Suppose that an event occurs in inertial frame S with coordinates x = 75 m, y = 18 m, z = 6.0 m at t = 2.0 10-5 s. The inertial frame S ' moves in the +x direction with v = 0.76c. The origins of S and S ' coincided at t = t' = 0. What are the coor
Ignoring air resistance and assuming that the average angular speed of the baton is 2.00 rev/s, determine the height to which the center of the baton travels above the point of release.
A cart carrying a vertical missile launcher moves horizontally at a constant velocity of 30.0 to the right. It launches a rocket vertically upward. The missile has an initial vertical velocity of 40.0 relative to the cart.
Three charges, q1, q2, and q3, are located at the corners of an equilateral triangle with side length of 1.55 m. Find the work done in each of the following cases:
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Democratic theory over the centuries has evolved in major ways, changing several perspectives of how government should be run.
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This section describes three important sources of your knowledge: (1) authority; (2) personal thought; and (3) science