Physics, 20.08.2019 10:50, ddavid9361

Friction in machines is commonly reduced by using what?

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Physics, 22.06.2019 03:30, 1074885

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Physics, 22.06.2019 07:20, raemyiajackson1

Use the information presented in the graph to answer the questions. which segments show acceleration? which segment indicates that the object is slowing down? what is the velocity of segment b? what is the acceleration of segment b?

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Physics, 23.06.2019 02:10, naomicervero

What is the quantity which is measured by the area occupied below the velocity- time graph?

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Physics, 23.06.2019 05:30, geo58

20) what is a magnetic field? 21) in which direction do magnetic field lines always point? 22) sketch a diagram showing how a plotting compass points around a 23) name two magnetic poles that will: a) attract each other b) repel each other. 24) explain why you can use a compass to navigate. 25) what's an electromagnet? 26) list two ways to increase the strength of an electromagnet. 27) the wire in a simple motor feels a force when a current flows through it. why is this? i need answers to check mine