Master Physics with Fun Quizzes & Brain Teasers!

The gravitational interaction is caused by
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Hello can someone please answer this How is a conductor different from an insulator?1: Conductors do not have magnetic fields; insulators do have magnetic fields.2: In a conductor, electric current can flow freely; in an insulator, it cannot flow freely.3: In a conductor, electric current cannot flow freely; in an insulator, it can flow freely.4: Conductors have magnetic fields; insulators do not have magnetic fields.
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How much work is done when an 18 N force moves a block 6m?
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HELLO CAN SOMEONE PLEASE ANSWER THIS !!!How is a conductor different from an insulator?1: Conductors do not have magnetic fields; insulators do have magnetic fields.2: In a conductor, electric current can flow freely; in an insulator, it cannot flow freely.3: In a conductor, electric current cannot flow freely; in an insulator, it can flow freely.4: Conductors have magnetic fields; insulators do not have magnetic fields.
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Billy is in physical science class and starts out with 12 grams of sodium hydroxide (baking soda) as part of an experiment the class is doing. Based on your knowledge of the law of conservation of mass, how many grams should Billy have after the experiment is finished?
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If a pilot wants to fly to a city that is 1000 miles due north of his starting city, he must fly -science-A. Due WestB. Due NorthC. North but also WestD. North but also East
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Neutron stars are:Low density star remnants with a mass less than the mass of the Sun.Incredibly small remnants of supermassive stars where the gravitational collapse is halted by neutron degeneracy.Incredibly big and massive star remnants that expel all neutrons in a supernova explosion.Neutron stars are:
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What is the function of the thesis statement?to explain your opinion and the main ideasto introduce your topic and main ideasto persuade the reader to think or act a certain wayto summarize the information in the essay
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The mediastinum does NOT contain which of the following?A. HeartB. Blood vesselsC. LungsD. Esophagus
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A uniform board is leaning against a smooth vertical wall. The board is at an angle above the horizontal ground. The coefficient of static friction between the ground and the lower end of the board is 0.584. Find the smallest value for the angle , such that the lower end of the board does not slide along the ground. (Please no downloadable files, my computer doesn't like them)
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A ball is projected at an angle of 30 above the horizontal with a speed of 35 m/s. What will be its approximate horizontal range across a level surface assuming no air resistance? F. 17.5 m G. 54.2 m H. 108 m J. 125 m
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A blender takes in 180 J of electrical energy. Of the 180 J, 90 J are transformed into kinetic energy, 60 J are transformed into thermal energy, and the rest is transformed into sound. What is the sound energy generated by the blender? 30 J 90 J 150 J 330 J
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GIVING 45 POINTS FOR A GOOD ANSWER!!!!!!!!!!!!The mass of the boy is 35 kilograms. What is the force of friction that slowed him down?
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Which term refers to the distance light travels in a year and is used to measure HUGE distances, like the ditance of planets from the sun?A: radiant-yearB: electromagnetic-yearC: solar-yearD: light-year
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A student pushes horizontally on a book with a force of 2 N, which causes the book to slide at a constant velocity. What is the force of friction on the book?
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A fluid flows through a pipe consisting of two segments. If the cross sectional area increases, which will decrease?a. velocityb. massc. flow rate d. density
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HELP ME ASAP WHAT IS THE ANSWER PLEASE
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PLEASE HELP!!!!What is the velocity of the object at thefollowing times? Be sure to include direction.(a) t=1.0s(b) t=40s(c) t=6.0 s
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36. The achievement of lifting a rocket off the ground and into space can be explained byNewton's first law, ,b. Newton's second law,c.Newton's third law,d.the law of conservation of momentum,
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In three to five sentences, predict the bonding activity between phosphorus and chlorine. Why do you think they bond that way.
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aWhat does a hydraulic system do?a decrease pressureb. increase velocityc. multiply forced. reduce inertia?m
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A car starts from an initial velocity of 10m/s and accelerates at 2.5m/s.how long will it take the car to reach a speed of 40m/s.. How far doea the car travel during this time?
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