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3 years ago

What is the general equation for burning a source

Physics

1 answer:

Shtirlitz [24]3 years ago

3 0

Answer:

The products of a complete combustion reaction include carbon dioxide (CO2) and water vapor (H2O). The reaction typically gives off heat and light as well. The general equation for a complete combustion reaction is: Fuel + O2 → CO2 + H2O.

Explanation:

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You make a(n) _____ by fastening together usually perpendicular parts with the ends cut at an angle.

nadezda [96]

Answer:

Miter joint

Explanation:

Made by fastening together usually perpendicular parts with the ends cut at an angle

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2 years ago

High altitude high velocity rivers of air are called

forsale [732]

The answer to the question would be jet streams.

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3 years ago

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_____ is the kinetic energy of an object, proportional to the object's moment of inertia and the square of its angular velocity.

Juli2301 [7.4K]

Rotational kinetic energy <span>is the kinetic energy of an object, proportional to the object's moment of inertia and the square of its angular velocity.</span>

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3 years ago

How might the rate of conduction be affected if the fiber absorbs moisture ?

vlabodo [156]

Answer:

Moisture absorbed by fabric material in a humidity environment or liquid water ... Perspired moisture penetrating into the hydrophobic fiber can increase ... Moisture content within the porous insulating materials greatly affect thermal ... When the ambient humidity increase or decrease

Explanation:

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2 years ago

A small 0.14 kg metal ball is tied to a very light (essentially massless) string that is 0.9 m long. The string is attached to t

Vsevolod [243]

Answer:

a) v=2.743m/s

b) $a_c = 8.363m/s^2$

c) T=2.543N

Explanation:

First, calculate the height of the ball at the starting point:

$y' = 0.9cos(55)$

$y' = 0.516$

At this point, just in the moment the ball is released, all the energy of the system is potencial gravitational energy. When it is at the bottom all the potencial energy is transformed into kinetic energy:

$E_p=E_k\\mgh=\frac{mv^2}{2}$

Solving for v:

$v=\sqrt{2gh}$

if h is the height loss: (l-y')

v=2.743m/s

The centripetal acceleration is the acceleration caused by the tension force exercised by the string, and is pointing outside of the trayectory path (at the lowest point, directly dawn):

$a_c=\frac{v^2}{r}$

$a_c = 8.363m/s^2$

To calculate tension, just make the free body diagram of forces in the ball, noticing the existence of the centripetal acceleration:

$\sum{F_y}=ma_c=T-W\\T=ma_c+W\\T=m(a_c+g)\\T=0.14(8.363+9.8)\\T=2.543N$

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3 years ago