Which of the following objects has the greatest kinetic energy?(a) a 500-kg motorcycle moving at 100 km/h (b) a 1,000-kg carmoving at 50 km/h (c) a 1500-kg car moving at 30 km/h (d) a 5000 kgtruck moving at 10 km/h (e) a 10,000-kg truck moving at 5 km/h

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A:

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A: "As there are more than three subparts in this question, we will solve the first three for you. For…

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A:

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A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

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A: Given that,

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A: a.) Given: Weight of candy bar is 2 oz. 1.0 g sugar is equivalent to 4.0 calorie energy.…

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A: Given, the chemical reaction as follows,2C8H18(l)+25O2(g)→16CO2(g)+18H2O(l)heat of formation of…

Q: A piece of unknown solid substance weighs 437.2 g, and requires 8460 J to increase its temperature…

A: (a)

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Q: What is the Kinetic energy of a 2000-Ib car traveling at 59 miles per hour? (Ib =0.4536 kg, 1 mi=…

A: The Kinetic energy of a 2000-lb car traveling at 59 miles per hour is calculated as,1lb =0.4536…

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A: The kinetic energy of the vehicle in kilojoules is  ≈ 398 kJ

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A:

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A: As per the company rules, only 3 subparts are answered.

Q: According to the first law of thermodynamics: (a) the energy of the universe is constant (b) AE = q…

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Q: What mass of natural gas (CH, ) must you burn to emit 276 kJ of heat? CH4 (9) + 202(g) → CO2(g) +…

A: CH4(g) + 2O2 (g)  --->  CO2(g) + 2H2O(g) ∆H°rxn= -802.3 kJ Since, because the Hrxn is negative,…