Chemistry, 28.08.2021 07:00 kevinh2683
HELP ME PLS THIS IS THE LAST THIS I HAVE TO DO AND I CANT FIGURE IT OUT!!!
A 40 kg girl is pushing a 40 kg boy in a 20 kg toy wagon.
*The wagon is moving at a constant speed of 2.0 m/s. Calculate the combined kinetic energy of the boy and the wagon.
*They come to a hill going downward, and the girl joins the boy in the wagon, which continues to move at 2.0 m/s at first. Calculate the combined kinetic energy of the two children and the wagon.
*As they travel down the hill, the wagon speeds up to 4.0 m/s. Calculate the kinetic energy of the two children and the wagon after the increase in speed.
Answers: 1
Chemistry, 22.06.2019 00:30, megaaan214p61pb7
Which compounds have the empirical formula ch2o? a. c2h4o2 b. c3h6o3 c. ch2o2 d. c5h10o5 e. c6h12o6
Answers: 3
Chemistry, 22.06.2019 12:00, zamariahyou
A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?
Answers: 1
Chemistry, 22.06.2019 14:30, emilymartinez75
Need ! asap will mark 10 pts using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers
Answers: 1
HELP ME PLS THIS IS THE LAST THIS I HAVE TO DO AND I CANT FIGURE IT OUT!!!
A 40 kg girl is pushing...
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