Object A has a charge of -1 coulomb. At a given distance, the object with which charge would be most strongly attracted by object A? +1C
-1C
-2C
+2C

Which of the following are good traits of a hypothesis? it will be able to be testedit can predict an outcomeit will explain the observationsall of these

Use the de broglie's wave equation to find the wavelength of an electron moving at 7.3 × 106 m/s. show your work. note: h = plank's constant (6.62607 x 10-34 j s)

If 950 joules of heat are needed to increase the temperature of 45.6 grams of an unknown metal from 25.0 celsius to 90.0 celsius, what is the specific heat capacity of the metal in j/g celsius