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Suppose there were a planet in our Solar System orbiting at a distance of 0.5 AU from the Sun, and having ten times the mass and four times the radius of Earth. For reference, the Earth has a mass of 5.97 × 1024 kg and a radius of 6,378 km.
a) Calculate the density of this hypothetical planet.
b) Based on your answer from part a), what do you think this planet would be made of? Explain your reasoning.
c) Does this planet's properties agree with the condensation theory for the formation of our Solar System? Why or why not?
You measure an electric field of 1.39×106N/C at a distance of 0.169m from a point charge. What is the electric flux through the surface of a sphere that has this charge at its center and that has radius 0.169m
An experiment to measure the speed of light uses an apparatus similar to Fizeau's. The distance between the light source and the mirror is 10 m, and the wheel has 800 notches. If the wheel rotates at 9000 rev/s when the light from the source is ex..
A 1328 kilogram car moving at 19.1 meter per second in the +x direction hits from behind a second car moving at 13 meter per second in the same direction. find the velocity of the first car after this sudden collision
Uncompressed, the spring for an automobile suspension is 45cm long. It needs to be fitted into a space 36cm long. how much work does a mechanic have to do to fit the spring
Two hockey players strike a puck of mass 0.169 kg with their sticks simultaneously, exerting forces of 1.25 103 N, directed west, and 9.80 102 N, Find the instantaneous acceleration of the puck
a mass m hanging on a spring has a natural frequency f. if the mass is increased to 4 m what is the new natural
A 2.0-kg object is at rest at the top of an inclined plane that makes an angle of 30° with the horizontal and which has a rise of 0.40 m. How much work is done by the object in sliding down the inclined plane
While the positions of these balls are fixed, ground the ball X and then break the grounding. when X and Y remain in touch, remove Z. Then divide X and Y. What are the charges (if any) on each of the balls.
A 57.0 kiloton atomic bomb releases as much energy as 57.0 kilotons of TNT (1.0 kiloton of TNT releases about 5.0 x 1012 J of energy). How many grams of uranium are fissioned
IP A uniform electric field of magnitude 6 times 10^3 ;{rm{N/C}} points upward. An empty, closed shoe box has a top and bottom that are 37 cm by 28 cm, vertical ends that are 28 cm by 21cm, and vertical sides that are 21 cm by 37 cm.
An electric flux of 148 N.m2/C passes during a flat horizontal surface that has an area of 0.77 m2. The flux is due to a uniform electric field. What is the magnitude of the electric field if the field points 15o above the horizontal?
A soccer player kicks a rock horizontally off a 34.0-m-high cliff into a pool of water. what was the initial speed given to the rock
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