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Ket [755]
3 years ago
6

To ensure that a vehicle crash is inelastic, vehicle safety designers add crumple zones to vehicles. A crumple zone is a part of

a vehicle designed to crumple easily in a crash. Use Newton’s second law to explain why crumple zones reduce the force in a collision.
Chemistry
1 answer:
11111nata11111 [884]3 years ago
6 0

Answer:

well because with the velocity of the two, using the second law, it can slow the velocity before there is a casualty.

Explanation:

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Sulfuric acid dissolves aluminum metal according to the following reaction:
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Answer:

m_{H_2SO_4}=81.7gH_2SO_4

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Explanation:

Hello,

Based on the given undergoing chemical reaction is is rewritten below:

2Al (s) + 3H_2SO_4 (aq)\rightarrow  Al _2(SO4)_3 (aq) + 3H_2 (g)

By stoichiometry we find the minimum mass of H2SO4 (in g) as shown below:

m_{H_2SO_4}=15.0gAl*\frac{1molAl}{27gAl}*\frac{3molH_2SO_4}{2molAl}*\frac{98gH_2SO_4}{1molH_2SO_4} \\m_{H_2SO_4}=81.7gH_2SO_4

Moreover, mass of H2 gas (in g) would be produced by the complete reaction of the aluminum block turns out:

m_{H_2}=15.0gAl*\frac{1molAl}{27gAl}*\frac{3molH_2}{2molAl}*\frac{2gH_2}{1molH_2} \\m_{H_2}=1.67gH_2

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3 years ago
Four cars travel at the same speed down a road. Their mass and kinetic energy are shown in the graph,
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The answer should be d
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