Copper is listed in the 29th position in the periodic table. it’s used for conducting electricity. what is copper? a metal a metalloid a nonmetal a noble gas an element

Ahypothesis is? close agreement by competent observers of observations of the same phenomena. a guess that has been tested over and over again and always found to be true. an educated guess that has yet to be proven by experiment. the long side of a right triangle. a synthesis of a large collection of information that includes guesses.

Ameter stick is pivoted at the 0.50-m line. a 3.0-kg object is hung from the 0.15-m line. where should a 5.0-kg object be hung to achieve equilibrium (the meter stick oriented horizontal and motionless)?

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?