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Vadim26 [7]
2 years ago
13

Saul converts 2.392 hectoliters to liters. What should his new number be? 0.02392 0.2392 239.2 2392

Physics
2 answers:
Elena-2011 [213]2 years ago
7 0

Answer:

239.2 liter

Explanation:

According to the metric system of units,

1 hectoliter = 100 liter

So to convert the hectoliter into liter, we have to multiply it by 100.

Thus, 2.392 hectoliter = 2.392 x 100 = 239.2 liter

Thus, 2.392 hectoliter is equal to 239.2 liter.

Lelechka [254]2 years ago
4 0

 2.392 hector liters is equal to 239.2 liters

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A beam of protons is moving toward a target in a particle accelerator. This beam constitutes a current whose value is. (a) How m
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Answer:

a. 5 × 10¹⁹ protons b. 2.05 × 10⁷ °C

Explanation:

Here is the complete question

A beam of protons is moving toward a target in a particle accelerator. This beam constitutes a current whose value is 0.42 A. (a) How many protons strike the target in 19 seconds? (b) Each proton has a kinetic energy of 6.0 x 10-12 J. Suppose the target is a 17-gram block of metal whose specific heat capacity is 860 J/(kg Co), and all the kinetic energy of the protons goes into heating it up. What is the change in temperature of the block at the end of 19 s?

Solution

a.

i = Q/t = ne/t

n = it/e where i = current = 0.42 A, n = number of protons, e = proton charge = 1.602 × 10⁻¹⁹ C and t = time = 19 s

So n = 0.42 A × 19 s/1.602 × 10⁻¹⁹ C

       = 4.98 × 10¹⁹ protons

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b

The total kinetic energy of the protons = heat change of target

total kinetic energy of the protons = n × kinetic energy per proton

                                                         = 5 × 10¹⁹ protons × 6.0 × 10⁻¹² J per proton

                                                         = 30 × 10⁷ J

heat change of target = Q = mcΔT ⇒ ΔT = Q/mc where m = mass of block = 17 g = 0.017 kg and c = specific heat capacity = 860 J/(kg °C)

ΔT = Q/mc = 30 × 10⁷ J/0.017 kg × 860 J/(kg °C)

     = 30 × 10⁷/14.62

     = 2.05 × 10⁷ °C

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