Physics

What is the amplitude of the resulting wave when the two waves meet at point X?
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Astronomers define the __________ as all of space and everything in it. It is enormous, almost beyond imagination. Question 2 options: galaxy none of these universe solar system
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which two options are examples of waves refracting?
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Can someone list me 6 disadvantages of renewable energy?
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Two cars have the same weight, but one of the cars has an engine that provides twice the power of the other. Which car can make it to the top of the mountain pass first? Which car does more work to reach the pass?
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A 20-gram bullet traveling at 250 m/s strikes a block of wood that weighs 2 kg. With what velocity will the block and bullet move after the collision? [convert g to kg]
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A baseball sits motionless near first base on a baseball diamond. What statement best explains why the baseball remains motionless? A. The forces acting on the baseball are all balanced. B. There are no forces acting on the baseball. C. The dirt is placing an unbalanced force on the baseball. D. The force on the baseball is unbalanced due to gravity.
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In a series circuit, all ____travels through each device.A. voltageB. currentC. energyD. power
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A 5 kg ball is sitting on top of a hill. It has a Potential Energy of 6000J. What is the height of the ball?
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Which one of the followingstatements about electriccurrent is correct?- Current is calculated as the amount of charge that passa point on a circuit per time.- Current is calculated as the amount of resistance acharge encounters in a given time.- Current is calculated as the amount of energy a chargeloses per unit of time.- Current is calculated as the distance that a chargemoves per unit of time
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What is a group on the periodic table?
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The hours of daylight and night time are equal during ______________.an eclipsea new moonan equinoxa solstice
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1. Although mercury is a metal, it is a liquid at room temperature. Mercury melts at about -39C. Ifthe temperature of a block of mercury starts at -54C and increases by 22C, does the mercury melt?Explain your answer.
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The magnitude of the gravitational acceleration at the surface of a planet of mass M and radius R is g. What is the magnitude of the gravitational acceleration at the surface of a planet of mass 2M and radius 2R?
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Please help answer both of these !! Im in a rush :(((
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What net force would be required for a 50.5 kg wolf to accelerate at 5.0 m/s^2
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A 1.1-kg object is suspended from a vertical spring whose spring constant is 120 N/m. (a) Find the amount by which the spring is stretched from its unstrained length. (b) The object is pulled straight down by an additional distance of 0.20 m and released from rest. Find the speed with which the object passes through its original position on the way up.
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plzzz helpp A 5 kg ball is sitting on top of a hill. It has a Potential Energy of 6000J. What is the height of the ball?
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Derived and define the units
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Describe how Alfred Wegener and Harry Hess contributed to the theory of Plate Tectonics.8th Science
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a disk of a radius 50 cm rotates at a constant rate of 100 rpm. what distance in meters will a point on the outside rim travel during 30 seconds of rotation?
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convert 172 to a scientific notation
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It took Grant 6 hours and 15 minutes to go 380 miles from Connecticut to Central Maine. What was his average speed? 63.3 mph60.8 mph60.8 km/h58.46 mph
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PLEASE HELP and actually help plz The position of masses 4kg, 6kg, 7kg, 10kg ,and 3kg are (0,1), (4,2), (3,5), (5,6), and (-2,4) respectively. Where must you place a mass of 13kg if you want the center of mass to be at (-1,-3)?
1 Answer