3 years ago

In an internal combustion engine, heat flow into a gas causes it to ......

1 answer:

ivann1987 [24]3 years ago

5 0

In an internal combustion engine, heat flow into a gas causes it to expand.
The application of direct force to specific parts of the engine will produce expansion of the high-temperature and high-pressure gases. Which will transform the chemical energy from the fuel (such as gasoline or oi) into mechanical energy.

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When the displacement of a mass on a spring is 1/2a the half of the amplitude, what fraction of the mechanical energy is kinetic

USPshnik [31]

Total energy is a spring:
$E = \frac{1}{2} kx^2 + \frac{1}{2} mv^2 = \frac{1}{2} ka^2$

At x = 0.5a:
$\frac{1}{2} k \frac{a}{2} ^2 + \frac{1}{2} mv^2 = \frac{1}{2} ka^2 \\ \frac{1}{2} mv^2 = \frac{1}{2} ka^2 - \frac{1}{8} ka^2 = \frac{3}{8} ka^2$

The ration:
$\frac{ \frac{3}{8}ka^2 }{ \frac{1}{2} ka^2} = \frac{3}{4}$

5 0

3 years ago

Read 2 more answers

Two point charges of 30 nC and – 40 nC are held fixed on an x-axis at the origin and

love history [14]

the Ans is=

mp= 22.10^-6 kg

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