Question 6 Mr. Muscedere, mass 90.0 kg, runs at a speed of 15.0m/s [E] He jumps into the arms of his wife, mass 50.0kg who is originally travelling at 27.0m/s [W] and they hug. What is their final velocity after the collision?

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Q: ld be th

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Q: Which gas or gases are present in the unknown mixture?

A: Required :: Which gases are present in the mixture.

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A: Given, mass of the sodium, m = 15.2 g

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Q: 3. À metal is heated up to a temperatu then exposed to a temperature of 3

A: GivenA metal is heated up to a temperature, To= 450°C.Metal is  exposed to a temperature, TA=302…

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A: Given : Length of brass metal , L= 2.5 m Initial temperatureTi=5°C  Final temperature , Ti=30°C…

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Q: 25) Which one of the following quantities is equivalent to 1 W? A) 1V/A B) 10.m C) 1A.s D) 1V.A E)…

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A: The temperature of a bucket of water are given as: Temperatures in °F:       72.4      73.1…

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A: Here mass of the water m= 25 gspecific heat of water s = 1 cal/goclatent heat of fusion Lf= 80…

Q: 43. In class we showed that mvms kBT for an ideal gas. Why is this such an impor ant finding?

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Q: Part C-Specific Charge of Copper Ions Q5. The specific charge (K) of copper ions in the experiment…

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Q: Solve the given problem. How many atoms are in a 3.0 g sample of sodium (Na)?

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Q: 44) What is the change in entropy of the ice when a 0.050-kg ice cube at 0°C melts? The latent heat…

A: Given : m = 0.050 kg = 50 g T = 0°C = 0 + 273 = 273 K Lf = 80 cal/g

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A: At the beginning of the experiment, ice was solid and no water is found, Hence total amount is solid…

Q: (I) How many moles of water are there in 1.000 L at STP? How many molecules?

A: We know, at STP, 1 mole occupies 22.4 liters of volume so, 1 L volume= 1/22.4 moles =0.04464 moles…

Q: C. Solve the following problems relative to the resistivity and conductivity. Show yur solution. 1.…

A: Solution:-Given thatLength of wire (L)=10 mResistance of wire (R)=2 ohmCross sectional area of wire…

Q: A sample of pure iron has a mass of 13.8 g. Calculate the number of moles in the sample and iron…

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Q: A piece of copper has a mass of 520 g. What is the mass of the sample, in units of kilograms?

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A: NOTE: As per guidelines, I can solve first three parts of the problem. If you need help with other…

Q: Now think about zero on a thermometer. How would you describe zero on the thermometer?

A: As we know that thermometer is a device used for measuring temperature. .