I'm sorry but i need to know why by the way i'm 16 my sister is 17 why does my sister kiss my v a g i n a every single time our parents are not around she does kisses me up to 50 to up to maybe a 100 someone answer this please.

Which of the following statements are true of solids? a. the particles do not vibrate. b. the particles are in a fixed location. c. they have strong intermolecular forces between the atoms or molecules. d. the particles have less kinetic energy than those of liquids or gases.

Ineed extreme for task 2. my student number is 571721. many to whoever solves this correctly, im in debt to you.

A2 kg ball travellng to the right with a speed of 4 m/s collidees with a 5 kg ball traveling to the left with a speed of 3 m/s. take right to be the positive direction. what is the total momentum of the two balls before they collide? what is the total momentum of the two balls after they collide?