Which of the following statements is true concerning the electrostatic charge on a balloon? Question 17 options:
1) Balloons cannot become charged.
2) The charge completely penetrates the balloon.
3) The charge is only on the surface of the balloon.
4) The charge is only in the center of the balloon.

Apositive rod is placed to the left of sphere a, and the spheres are separated. which best describes the spheres? sphere a is negative and sphere b is positive because protons from sphere a are attracted to the rod and move to sphere b. sphere a is negative and sphere b is positive because electrons from sphere b are attracted to the rod and move to sphere a. sphere a is positive and sphere b is negative because electrons from the rod move to sphere b and protons then move to sphere a. sphere a is positive and sphere b is negative because protons move from sphere b to the rod and also to sphere a.

The particles of an ice cube at 0°c (represented by the blue circles) come in contact with the particles of juan’s hand at 37°c (represented by the orange circles). which diagram correctly represents the temperature of the two substances and the direction of heat flow?

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e