Physics, 28.01.2021 22:20 smarty5187
Which statement can be supported by using a position-time graph? A negative slope results when an individual is moving away from the origir A horizontal line on the graph means the individual is moving at a non-zero O A positive slope results when an individual is moving away from the origin. O The speed of an individual cannot be determined from this type of graph.
Answers: 3
Physics, 23.06.2019 00:20
You are the coordinator for a program that is going to take place at night in a rectangular amphitheater in the mountains. you will have no access to any electricity, but you must be able to illuminate the entire grounds. you know the intensity of the light from a lantern varies inversely as the square of the distance from the lantern. suppose the intensity is 90 when the distance is 5 m. a. write an equation to model the situation. b. solve for the constant of variation. c. write the equation to model the situation using the constant () of variation. d. you have been given lanterns with 40 light intensity. use your equation to solve for the distance from the lantern. e. you need to illuminate 225 km. how many meters do you need to light? f. how many lanterns will you need?
Answers: 3
Physics, 24.06.2019 03:00
Ablock of mass m1 = 1.75 kg and a block of mass m2 = 5.75 kg are connected by a massless string over a pulley in the shape of a solid disk having radius r = 0.250 m and mass m = 10.0 kg. the fixed, wedge-shaped ramp makes an angle of ? = 30.0? as shown in the figure. the coefficient of kinetic friction is 0.360 for both blocks. (b) determine the acceleration of the two blocks. (enter the magnitude of the acceleration.)
Answers: 2
Which statement can be supported by using a position-time graph? A negative slope results when an in...
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