PLEASE HELP ME How is a conductor different from an insulator? Conductors have magnetic fields; insulators do not have magnetic fields. Conductors do not have magnetic fields; insulators do have magnetic fields. In a conductor, electric current can flow freely; in an insulator, it cannot flow freely. In a conductor, electric current cannot flow freely; in an insulator, it can flow freely.
a tank with a flat bottom is filled with water to a height of 4 meters. what is the pressure at any point at the bottom of the tank? (you can ignore atmospheric pressure when calculating your answer)
You run straight off a high diving board at a speed of 6 m/sec. You hit the water 2 seconds later. a. How far did you travel horizontally during the 2 seconds? b. How far did you travel vertically during the 2 seconds? c. How fast were you moving horizontally when you hit the water? d. How fast were you moving vertically when you hit the water?
A rock at the edge of a 200-m high cliff has more potential energy than an equal sized rock at the edge of a 600-m high cliff. True or False
what will be evidence of a galaxy moving toward earth? A. The galaxy has a loose, disorganized appearance b. the stars in the galaxy appear to twinkle . C. THE GALAXY APPERS TO BE ACCELERATIN. D. THE LIGHT WAVELENGHTHS COMING FROM THE GALAXY ARE BECOMING SHORTER
According to this graph, which statement describes how the amount of iron changes over time in the reaction Fe2O3 + 3H2 → 2Fe + 3H2O? A. The amount of the product Fe increases rapidly at first and then continues to increase slowly. B. As time passes there is steady decrease in the amount of Fe. C. As time passes Fe2O3 and Fe will reach a dynamic equilibrium. D. The amount of the reactant Fe2O3 increases rapidly at first and then continues to increase slowly.
Which method of separation can be used for a heterogeneous mixture? A. by distillation B. by densities C. by chromatography D. by acidification
How are particles in motion and temperature related? How does a thermometer work? What are temperature scales, list them and give examples? Define volume. Please try to answer them as best as you can. There are five questions, and I hope you will be able to answer them all. I really appreciate your help. Thank you!!!
