12. A similarly huge block of stone has a mass of 650kg and gains 70000J of GPE. How high has it been raised?

Which type of current is produced by a wire breaking magnetic field lines and changing the polarity? a. alternating b. direct c. straight d. alternating and direct

What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?

Frank just graduated from eighth grade. assuming exactly four years from now he will graduate from high school how many seconds does he have until his high school graduation