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Vinvika [58]
3 years ago
9

a net force of 100 newtons is applied to a wagon for 5 seconds. This causes the wagon to undergo a change in momentum of

Physics
1 answer:
marin [14]3 years ago
8 0
J = ft = 100N*5s = 500Ns
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To prevent accidental electric shock, most electrical equipment is A. painted. B. isolated. C. coated. D. grounded.
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The specific heat capacity of ethanol is 2440J/kg °C. How many joules of energy will be required to heat 150g ethanol to 35°C if
m_a_m_a [10]

Answer:

Required energy = 4758 J

Explanation:

Specific heat capacity of a material is the amount of energy required to raise the temperature of one kilogram (kg) of that material through one degree Celsius (°C).    

Given data :

Specific heat capacity = c = 2440 J/kg.°C

Mass = m = 150 g = 0.15 kg

Initial temperature = 22°C

Final temperature = 35°C

Change in Temperature = ΔT = 13°C

Energy = E = ?

Using the following formula and substituting the values, we get:

E = m × c × ΔT

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8 0
3 years ago
What mass of NH3 can be made from 35.0 grams of N2
Allushta [10]

42.5g

Explanation:

Given parameters:

Mass of N₂= 35g

Unknown:

Mass of NH₃  = ?

Solution:

  Equation of the reaction:

         N₂  +  3H₂  →   2NH₃

To solve this problem, we work from the known species to the unknown. The known here is the reacting mass of the N₂. From this we can find the number of moles of the N₂.

            Number of moles of N₂ = \frac{mass}{molar mass}

molar mass of N₂ = 28g/mol

        Number of moles = \frac{35}{28} = 1.25moles

From the equation of the reaction:

           1 mole of N₂ produced 2 moles of NH₃

     1.25 moles of N₂ will produce 2 x 1.25 = 2.5moles of NH₃

Mass of NH₃ = Number of moles of NH₃ x molar mass of NH₃

                       = 2.5 x (14 + 3)

                       = 42.5g

Learn more:

number of moles brainly.com/question/1841136

#learnwithBrainly

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3 years ago
The magnetic field of a straight, current-carrying wire is:
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Conductive current is the answer I d k
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A 35 grams bullet travels with a velocity of magnitude 126 km/h. What is the bullet's linear momentum?
LekaFEV [45]

Answer:

IDK

Explanation:

idk

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