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The moon orbits the earth at a distance of 3.85 x 10^8 m.Assume that this distance is between the centers of the earth andthe moon and that the mass of the earth is 5.98 x 10^24 kg. Find the period (in days) for the moon’s motion around the earth.a. 26.9 daysb. 28.1 daysc. 29.2 daysd. 27.5 daysPLEASE EXPLAIN
A 98.8-kg baseball player slides into second base. The coefficient of kinetic friction between the player and the ground is ?k = 0.596. What is the magnitude of the frictional force
Two objects of the same mass move along the same line in opposite directions. The first mass is moving with speed. What was the speed of the second mass before the collision
Find the critical angle for an optical fiber whose core has n value of 1.55 and whose cladding has n value of 1.20
Phil finds an old bone at an archeological site and decides to date it. The site is located geographically at a position where the ratio of 14C to 12C in the atmosphere before the year 1900 was about 1.31 · 10-12
Consider the video tutorial you just watched. Suppose that we repeat the experiment, but this time we replace the original 56- magnet with a more powerful magnet of the same mass.
Two point charges are on the y-axis, one of magnitude 3.0 ? 10-9 C at the origin and a second of magnitude 6.0 ? 10-9 C at the point y = 25 cm
A 5 N force acts on a 0.4-kg object for 0.3 seconds. By how much does the object's momentum change
An old oaken bucket of mass 6.75 kg hangs in a well at the end of a rope. The rope passes over a frictionless pulley at the top of the well, How much work does gravity do on the bucket
A ball (m=1kg) is dropped from a height of 3 m. Assume no air resistance. After it bounces off the ground it only reaches a height of 2 m. What is the balls change in energy
You are standing at a red light on SW 8th Street at 97th Avenue. The light turns green, find the work done on your car by the frictional force
Consider a rectangular loop of wire 7.3 cm by 8.0 cm in a uniform magnetic field of magnitude 1.1T. What is the average induced emf in the loop
A stamp collector views a 1.5 cm tall stamp through a magnifying glass. The magnifying glass is a converging lens with a focal length of 15 cm. The stamp is 3 cm below the lens. (a) Sketch a ray-tracing of this situation. (b) Where is the image of th..
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