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AfilCa [17]
2 years ago
6

2. An overseas jet requires 6 hours to fly 9700 km. What is the jet's speed?

Physics
1 answer:
Debora [2.8K]2 years ago
4 0

Answer:

Most commercial aircraft typically fly at around 460-575 mph, or 740-930 km/h, according to Flight Deck Friend. But private jet speed can vary depending on a variety of factors, such as the weight onboard and the weather conditions.

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Two identical metal balls a and b are mounted on insulating rods. Ball a has a charge of +q/2 and ball b is initially uncharged.
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Answer:

Help me please?

Explanation:

Did you get the answer? I believe it’s either C. +q or D. 0

6 0
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When traveling on a two-lane highway driving 50 to 55 mph, you need a _____ gap in oncoming traffic to pass safely?
JulsSmile [24]
When travelling on a two lane highway driving 50 to 55 mph, you need a 10-12 second gap in oncoming traffic to pass safety. At 55 mph, you will travel over 800 feet in 10-12 seconds so will an oncoming vehicle. That means you need over 1600 feet which is about 1/3 of a mile to pass safety. It is harder to see and judge the speed of oncoming vehicles that are traveling 1/3 of a mile or more away from you.
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Earth has seasons because _____.
sladkih [1.3K]

Answer:

c, its axis is tilted

maybe

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3 years ago
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Can someone explain to me #4.
nalin [4]
A) We balance the masses: 4(1.00728) vs 4.0015 + 2(0.00055)4.02912 vs. 4.0026This shows a "reduced mass" of 4.02912 - 4.0026 = 0.02652 amu. This is also equivalent to 0.02652/6.02E23 = 4.41E-26 g = 4.41E-29 kg.
b) Using E = mc^2, where c is the speed of light, multiplying 4.41E-29 kg by (3E8 m/s)^2 gives 3.96E-12 J of energy.
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4 0
3 years ago
Calculate the potential energy of a 1200 kg boulder on a cliff 45 m above the ground. ​
Softa [21]

Explanation:

Given mass of the object is 1200kg and it's placed at a height of 45m above the ground. As we know that potential energy is ,

\longrightarrow PE = mgh

where,

  • m is the mass of the body .
  • g is acceleration due to gravity.
  • h is the height above the ground .

Substituting the respective values ,

\longrightarrow P.E. = 1200kg * 10m/s^2* 45m

Multiply ,

\longrightarrow P.E. = 540000J

<u>Hence</u><u> the</u><u> </u><u>potential</u><u> energy</u><u> is</u><u> </u><u>5</u><u>4</u><u>0</u><u>0</u><u>0</u><u>0</u><u>J</u><u> </u><u>.</u>

<em>I </em><em>hope</em><em> this</em><em> helps</em><em>.</em>

4 0
2 years ago
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