2 1.5.2 Test (CST): Computer-Scored Unit Test
Question 23 of 25
Which of the following is an...
2 1.5.2 Test (CST): Computer-Scored Unit Test
Question 23 of 25
Which of the following is an effect of the electric force?
A. Two south poles are attracted to one another.
B. Two north poles repel each other.
C. Two positive charges repel each other.
D. Two negative charges are attracted to one another.
Answers: 3
Physics, 22.06.2019 01:30, bvolleyball9
Afigure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 20.9 12000 200 3.33
Answers: 2
Physics, 22.06.2019 03:00, liquidmana42
The passage that directs air to the lungs is called a. diaphragm. b. larynx. c. bronchi. d. pharynx.
Answers: 2
Physics, 22.06.2019 03:00, nkidder
An electric current is flowing through the cord below. what will happen to this current if a magnet is brought near the cord? a. the electric current will stop flowing. b. it will exert a force on the voltage. c. the resistance of the wire will decrease. d. it will exert a force on the electric current.
Answers: 2
Physics, 22.06.2019 13:10, pearlvldz
The atoms in a nickel crystal vibrate as harmonic oscillators with an angular frequency of 2.3 × 1013 rad/s. the mass of a nickel atom is 9.75 × 10-26 kg. what is the difference in energy between adjacent vibrational energy levels of nickel? (h = 6.626 × 10-34 j • s, , 1 ev = 1.60 × 10-19 j)
Answers: 2
Mathematics, 12.07.2019 15:30
Mathematics, 12.07.2019 15:30
Mathematics, 12.07.2019 15:30
Mathematics, 12.07.2019 15:30
Biology, 12.07.2019 15:30