Three spheres have the following net charges. Sphere A: +8 C
Sphere B: -12 C
Sphere C: +4C
The three spheres touch each other in random order. Each sphere
touches at least one other sphere. Which of the following could be
the final net charges of the spheres?
(A) O-2 C; +1 C; +1 C
(B) 0-4 C; 0 C; -4C
(C) OC; 0 C; -8 C
(D) 0-1 C; +2 C; -1 0

Ahorizontal wire is tied to supports at each end and vibrates in its second-overtone standing wave. the tension in the wire is 5.00 n, and the node-to-node distance in the standing wave is 6.28 cm. (a) what is the length of the wire? (b) a point at an anti- node of the standing wave on the wire travels from its maximum upward displacement to its maximum downward displacement in 8.40 ms. what is the wire's mass?

The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f

This punnett square shows the cross between two pants. one parent has round seeds (rr). and the other parent has wrinkled seeds (rr) which best describes their offspring as shown in this cross?