Three masses, X, Y and Z lie in a straight line. X has a mass of 5 kg and is moving towards Y at 8 m/s. Y has a mass of 7 kg and a velocity of 4 m/s, and is
moving towards Z. Determine the mass of Z assuming all three masses have a
common velocity of 2 m/s after the collision of X and Y with Z.

Discussion! you will discuss how work is distributed at home. who does what? how do you clean your home? using commands, progressive tense, and vocabulary learned in this lesson. write this in spanish and english! this is worth 50 percent of my grade so !

Plz instructions fill in the blanks with either saber or conocer, or pedir or preguntar conjugate the verb to match the subject of the sentence. saber vs. conocer 1. ellos __ inglés 2. ¿ tú al professor alvarado ? 3. nosotros españa 4. ¿ ella quién es él pedir vs. preguntar 1. mi hermano ¿ qué hora es ? 2. nosotros

Which one of the following is the correct rhyme to keep in mind when using the spanish counterparts to this, that, those and these? a: “that” and “those” both have s’s, “this” and “these” don’t b: “that” and “those” both have t’s, “this” and “these” don’t c: “this” and “these” both have s’s, “that” and “those” don’t d: “this” and “these” both have t’s, “that” and “those” don’t