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Reptile [31]
3 years ago
9

For a short time a rocket travels up and to the left at a constant speed of v = 650 m/s along the parabolic path y=600−35x2m, wh

ere x isin m. The origin of polar coordinate system is the same as the origin of the rectangular coordinate system xy.
Part A

Determine the radial component of velocity of the rocket at the instant when its transverse coordinate θ = 60∘, where θ is measured counterclockwise from the x axis.

Express your answer to three significant figures and include the appropriate units.

Part B

Determine the transverse component of velocity of the rocket at the instant when its transverse coordinate θ = 60∘, where θ is measured counterclockwise from the x axis.

Express your answer to three significant figures and include the appropriate units.

Engineering
1 answer:
julia-pushkina [17]3 years ago
4 0

Answer:

Detailed working is shown

Explanation:

The attached file shows a detailed step by step calculation..

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Answer:

both statement is correct

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4 0
3 years ago
Steam at a pressure of 100 bar and temperature of 600 °C enters an adiabatic nozzle with a velocity of 35 m/s. It leaves the noz
butalik [34]

Answer:

Exit velocity V_2=1472.2 m/s.

Explanation:

Given:

At inlet:

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At exit:Lets take exit velocity V_2

We know that if we know only one property inside the dome  then we will find the other property by using steam property table.

Given that dryness or quality of steam at the exit of nozzle  is 0.85 and pressure P=80 bar.So from steam table we can find the other properties.

Properties of saturated steam at 80 bar

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So the enthalpy of steam at the exit of turbine  

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h_2=1316.61+0.85(2757.8-1316.61)\frac{KJ}{Kg}

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Now from first law for open system

h_1+\dfrac{V_1^2}{2}+Q=h_2+\dfrac{V_2^2}{2}+w

In the case of adiabatic nozzle Q=0,W=0

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4 0
3 years ago
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Answer:

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