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a sloenoid 3.0 cm long consists of 8013 loops of wire if the magnetic field inside the solenoid is 3.0 T, what is the magnitude of the current that flows through it?
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What are the equations and ratios used in Galileo's experiments, and what theory/principles are associated with his experiments that involve motion on a ramp at different inclines and distances for example?
A ski jumper leaves the ski track moving in the horizontal direction with a speed of 15.0 m/s. The landing incline below her falls off with a slope of 45.0 degrees. Where does she land on the incline?
An object falls because of gravity at a rate of -980 cm/s2 (- sign is indicative of a downward direction) for 10. seconds. If it starts from rest (vo = 0) and its position starts from do= 0.0, where is it 10. seconds lat ...
John is traveling north at 20 meters/second and his friend Betty is traveling south at 20 meters/second. If north is the positive direction, what are John and Betty's speeds?
Question: Suppose the emf generated by a coil rotating in a magnetic field is zero at t=0, and increases to its first peak at t0=0.11ms. A) What is the angular velocity of the coil in rad/s? B) At what time (relative to ...
Question: Six artificial satellites complete one circular orbit around a space station in the same amount of time. Each satellite has mass m and radius of orbit L. The satellites fire rockets that provide the force neede ...
Question: PART A: How long (in ns) does it take light to travel 0.800m in vaccum? Express your answer in the appropriate units PART B: What distance does light travel in water during the time that it travels 0.800m in va ...
Quesiton: A skydiver of mass m jumps from a hot air balloon and falls a distance d before reaching a terminal velocity of magnitude v . Assume that the magnitude of the acceleration due to gravity is g . - What is the wo ...
How are chemical and physical changes different. What are some demonstrations that you might do to help your students differentiate between a chemical and physical change?
Question: An object is placed 30 cm to the left of a converging lens that has a focal length of 15cm. Describe what the resulting image look like (i.e. image distance, magnification, upright or inverted images, real or v ...
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