Physics

On average, what is the thickness of the milky way as seen from earth, measured in degrees?.
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When a plane is moving at a constant speed, thrust is equal to drag.TrueFalse
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What is the difference between a mechanical wave and a non-mechanical wave?.
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An object is 4 cm in front of a converging lens with a focal length of 12 cm
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What will happen to the fringe spacing if the wavelength of the light is decreased?.
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Suppose a grower sprays (8.2x10^1) kg of water at 0 C onto a fruit tree of mass 180 kg. How much heat is released by the water when it freezes?
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A long thing bar of copper is heated evenly along it's length
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15. Which of the following describes the law ofconservation of energy?A. Energy cannot be created or destroyed.B. Energy can only be released throughtransformation.C. When energy is conserved, it alwayschanges form.D. Energy increases when it is transferredfrom one object to another.
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A wheel rotates with a constant angular acceleration of 6.0 rad/s2. During a certain time interval its angular displacement is 8.0 rad. At the end of the interval its angular velocity is 14.0 rad/s. What is its angular velocity at the beginning of the interval
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I think this is for the right subjectthis is Science btwWhich statement best describes the process of the formation of the solar system?
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Minnie sota hits the end of a bar 1. 2 m long with a hammer. Sketch the standing wave on the bar for the following situations. The speed of waves in the bar is 6,500. M/s
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if predators and habitat do not change, which shade of frogs will have the greatest fitness
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Hydroelectric dams generate electricity by a. water impoundment, in which dam operators control the rate of water flow to turbines. b. converting the kinetic energy of the water impounded behind a dam into potential energy. c. using generators that are placed on the bottom of a river. d. using the energy of the river to produce steam. e. using run-of-the-river systems, in which turbines are placed into the natural water flow.
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A car travels at a speed of 40 m/s for 29.0 s;what is the distance traveled by the car?
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A particular circuit is made up of a battery, a switch, a buzzer, and wires connecting the components. All of the componentse in working order, but the buzzer does not make noise. Which statement explains this observation? (1 point)The circuit lacks a power source.The load cannot convert electrical energyThe switch is openThe conductors are not attached
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Two planets are orbiting a star in a distant galaxy the first has a semimajor axis of 150 x 10^6 km an eccentricity of 0. 20 and a period of 1. 0 earth years
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You are standing on roller skates if you try to throw a 20-pound bowling ball while standing on skates,what happens. How does this show Newton 3rd law
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Given the necessary information about the two components of projectile motion, your task is to explain the difference or even describe the two components by their formulas or equations.
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What property of an object determines how much inertia it has.
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HELPThe satellite image below shows three major rivers in the area of Charleston, South Carolina. These rivers are the Ashley River, the Cooper River, and the Wando River.Downtown Charleston is located next to Charleston Harbor and between the Ashley and Cooper Rivers. A creek in the northwest part of the image is labeled by the letter X. Of what body of water is this creek a tributary? A. the Cooper River B. the Ashley River C. the Wando River D. Charleston Harbor
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Which of the following waves would produce the loudest sound?
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A car initially travels at 10 m/s when passing the "acceleration line". The car then accelerates Q. at 8m/s2 until reaching a final velocity of 40 m/s. What is the car's displacement during the acceleration? answer choices 3.75 m 93.75 m 100 m 1590 m
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Hello people ~The frequency of subsonic sound is(a) more than 20 Hz(b) 100 Hz(c) less than 20 Hz(d) more than 20,000 Hz
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A 80kg astronaut is training in human centrifuge to prepare for a launch. The astronaut uses the centrifuge to practice having a 3.16g force (3.16 times his own weight) on his back. The radius is 12m.Attached is a picture of the question.
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