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3 years ago

What was the name of charles lindbergh’s single winged airplane for his solo flight across the atlantic?

Physics

1 answer:

aev [14]3 years ago

4 0

Answer:

Spirit of St. Louis

Explanation:

Charles Lindbergh was known as a prolific aviator during the early twentieth century. He is well known for the flight he took from Long Island, New York, to Paris, France. It was a continuous flight across the Atlantic Ocean.

The plane he used was the Spirit of St. Louis which took more than 33 hours to complete the journey. It was the first successful flight of this kind. The airplane flew from Long Island on May 20 and landed in Paris on May 21.

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A piston–cylinder assembly contains 5.0 kg of air, initially at 2.0 bar, 30 oF. The air undergoes a process to a state where the

vladimir2022 [97]

Answer:

The work and heat transfer for this process is = 270.588 kJ

Explanation:

Take properties of air from an ideal gas table. R = 0.287 kJ/kg-k

The Pressure-Volume relation is PV = C

T = C for isothermal process

Calculating for the work done in isothermal process

W = P₁V₁ $ln[\frac{P_{1} }{P_{2} }]$

= mRT₁ $ln[\frac{P_{1} }{P_{2} }]$ [∵pV = mRT]

= (5) (0.287) (272.039) $ln[\frac{2.0}{1.0}]$

= 270.588 kJ

Since the process is isothermal, Internal energy change is zero

ΔU = $mc_{v}(T_{2} - T_{1} ) = 0$

From 1st law of thermodynamics

Q = ΔU + W

= 0 + 270.588

= 270.588 kJ

4 0

3 years ago

How are strong nuclear forces and weak nuclear forces alike

Nesterboy [21]

Even tho one is stronger then the other... they are both alike because they are still nuclear forces.

6 0

3 years ago

Taste and smell are called chemical senses because:

Bingel [31]

Answer:

The answer is a," their receptors are sensitive to chemical molecules."

3 0

3 years ago

What is used to measure the speed of a moving vehicle along the road

Romashka [77]

Answer:

Speedometer

Explanation:

Speedometer

8 0

3 years ago

Read 2 more answers

A camera operator is filming a nature explorer in the Rocky Mountains. The explorer needs to swim across a river to his campsite

julia-pushkina [17]

Answer:

a. Angle= 28.82°

b. Approved. He will get cold but he should be able to make it across

Explanation:

Velocity Vector

The velocity is a physical quantity that measures how fast or slow at a particular direction some object is moving. It must be expressed as a vector with both a magnitude and direction. If the object is confined to move in one direction, then we can use the speed as the scalar (magnitude only) equivalent of the velocity.

The explorer wants to swim across a river to his campsite, as shown in the image below. The river has a velocity vr and the explorer can swim at ve in still water. If he swam directly to the campsite, he would end up in a point below it because the river would push him down. He must swim with a velocity such that he overcomes the stream but he advances to its objective. Let's call the angle he must swim at respect to the shoreline to achieve his goal. The explorer's velocity can be decomposed in its rectangular components vx and vy. To overcome the river's velocity:

$v_{ey}=v_r$