Physics, 27.07.2019 01:30 viktoria1198zz
Which statement correctly compares and contrasts the information represented by the chemical formula and model of a compound? 1. both show how the atoms in a compound are connected. 2. models show how the atoms in a compound are connected. 3. chemical formulas show how the atoms in a compound are connected.
Answers: 2
Physics, 21.06.2019 23:30
Ablock of mass m = 2.5 kg is attached to a spring with spring constant k = 790 n/m. it is initially at rest on an inclined plane that is at an angle of 28 degrees with respect to the horizontal, and the coefficient of kinetic friction between the block and the plane is k = 0.14. in the initial position, where the spring is compressed by a distance of a = 0.18 m, the mass is at its lowest position and the spring is compressed the maximum amount. take the initial gravitational energy of the block as zero. b) if the spring pushes the block up the incline, what distance, l, in meters will the block travel before coming to rest? the spring remains attached to both the block and the fixed wall throughout its motion.
Answers: 1
Physics, 22.06.2019 07:50
Imagine you are standing in the antarctic during the southern hemisphere summer. the sky is clear and blue. there are no clouds in the sky. your shadow is cast on the icy ground. what is the color of the shadow?
Answers: 1
Physics, 22.06.2019 22:30
Which of these activities increases the amount of carbon in the atmosphere?
Answers: 1
Which statement correctly compares and contrasts the information represented by the chemical formula...
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