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Ad libitum [116K]
4 years ago
9

Calculate the acceleration of a student riding his bicycle in a straight line that speeds up from 4 m/s to 6 m/s in 5 seconds.

Physics
1 answer:
solong [7]4 years ago
7 0
Acceleration is equal to velocity final minus velocity initial divided by time. 6m/s minus 4m/s divided by 5 seconds is 0.4m/s^2.

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Assume that you have 0.480 mol of N2 in a volume of 0.700 L at 300 K .
Svetach [21]

Answer:

1) 16.88 atm

2) 34.47 atm

Explanation:

Data:

Volume=0.700L

Temperature = 300K

Number of moles=0.480 mol

Ideal gas constant=0.082057 L*atm/K·mol

1) The ideal gas law is:

PV=nRT (1)

with P the pressure, T the temperature, n the number of moles, V the volume and R the ideal gas constant , so solvig (1) for P:

P=\frac{nRT}{V}

P=\frac{(0.480)(0.082057)(300)}{0.700}=16.88 atm

2) The vander Walls equation is:

(P+\frac{a}{V^{2}})(V-b)=RT

solving for P

P=\frac{RT}{V-b}-\frac{a}{V^2}=\frac{(0.082057)(300)}{0.700-0.0387}-\frac{1.35}{0.700^2}=34.47 atm

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3 years ago
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Elanso [62]

Answer:

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4 0
3 years ago
A truck travels up a hill with a 7.9 ◦ incline. the truck has a constant speed of 25 m/s. what is the horizontal component of th
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How has the use of computer and advance in technology changed healthcare industry
aev [14]
Yes because we often used it and takes long time to spent and forgot to eat on time.
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3 years ago
Explain how your battery works. (You may want to look at the Electric Current lesson) What are some possible materials you could
Lisa [10]

Answer:

A battery is made up of three parts. The Cathode (positive end +) , the Anode (negative end -) and the electrolyte. The electrolyte allows electrical charges to travel between the cathode and anode. This chemical reactions creates the flow of electricity supplying the electrical voltage potential to power a circuit.

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- Anode most often is made of zinc

- Manganese dioxide acting as Cathode.

- the electrolyte between and inside contains ions

Explanation:

6 0
3 years ago
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