2 years ago

A machine which has an energy loss of 10% will have efficiency of

Physics

1 answer:

larisa [96]2 years ago

6 0

Answer:

90%

Explanation:

if you lose 10% of a 100 you get 90

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Determine the thrust produced if 1.5 x 10^3 kg of gas exits the combustion chamber each second, with a speed of 4.00 x 10^3 m/s.

ozzi

Answer:

The thrust is $6\times 10^6\ N$

Explanation:

Given that,

Mass of gas, $m=1.5\times 10^3\ kg$

The rate at which the gas is expelling, $\dfrac{dv}{dt}=4\times 10^{3}\ m/s$

We need to find the thrust produced by the gas.

We know that force is equal to the rate of change of momentum. So,

$F=\dfrac{p}{t}$

Also, p = mv

$F=\dfrac{mv}{t}$

So,

$F=1.5\times 10^3\times 4\times 10^3\\\\F=6\times 10^6\ N$

So, the thrust is $6\times 10^6\ N$

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3 years ago

A machine which has an energy loss of 10% will have efficiency of​

A machine which has an energy loss of 10% will have efficiency of