Think about 29.1 you're playing with two of the cards (each with mass m) that you used in activity 27a. initially, these two carts are moving toward each other with the same initial speed vi along the track. the carts collide and the result is one of these final states: (a) assume that the carts hit each other and stop so that the final state of the system has both carts just sitting still (not moving). draw a momentum chart for this situation. make a separate row for each cart. (b) assume that the carts bounce o↵ each other so that the final state of the system has each cart moving opposite to its initial motion but with their speeds unchanged. draw a momentum chart for this situation. (c) as in (b), assume that the carts bounce o↵ each other but now assume that the final speeds are smaller than the initial speeds, equal and in opposite directions. draw a momentum chart. (d) for each case above, does the total momentum of the system that contains the two carts change
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Physics, 22.06.2019 15:10
Suppose that f : rn → rm and that a ∈ k, where k is a connected subset of rn . suppose further that for each x ∈ k there exists a δx > 0 such that f(x) = f(y) for all y ∈ bδx (x). prove that f is constant on k; that is, f(x) = f(a) for all x ∈ k
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Physics, 22.06.2019 18:00
Asynthetic fiber used in manufacturing carpet has tensile strength that is normally distributed with mean 75.5 psi and standard deviation 3.5 psi. how is the standard deviation of the sample mean changed when the sample size is increased from n equals 8 to n equals 47
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Physics, 22.06.2019 18:00
Aprisoner is forced to go into one of three rooms, but he can choose which room. the first room is ablaze with fire. the second one is rigged with explosives that will go off as soon as he enters. the third contains a pair of lions who haven't eaten in years. which room should he choose to survive?
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Physics, 22.06.2019 21:00
The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is as it changes into other forms of energy.
Answers: 1
Think about 29.1 you're playing with two of the cards (each with mass m) that you used in activity 2...
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