. Calculate the distance between the planes after 6 hours. Give your answer in km, to the nearest km. km
Answer: 2392 kilometers.
Explanation:
To find the distance between the two aircraft after 6 hours, we can use the Pythagorean theorem because they are moving at right angles to each other (one due south and the other due east). Here's how to calculate it:
First, calculate the distance traveled by each aircraft in 6 hours.
1. Aircraft traveling south:
Distance = Velocity × Time
Distance = 85 m/s × (6 hours × 3600 seconds/hour)
Distance = 85 m/s × 21600 s
Distance = 1836000 meters
2. Aircraft traveling east:
Distance = Velocity × Time
Distance = 71 m/s × (6 hours × 3600 seconds/hour)
Distance = 71 m/s × 21600 s
Distance = 1533600 meters
Now, we have the two sides of a right triangle:
- The southbound distance is 1836000 meters.
- The eastbound distance is 1533600 meters.
We can use the Pythagorean theorem to find the hypotenuse (distance between the aircraft):
Distance = √(southbound distance² + eastbound distance²)
Distance = √((1836000 m)² + (1533600 m)²)
Distance ≈ √(3376416000000 m² + 2352089600000 m²)
Distance ≈ √(5728505600000 m²)
Distance ≈ 2391760.78 meters
Now, let's convert the distance to kilometers:
Distance ≈ 2391.76 kilometers
Rounding to the nearest kilometer, the distance between the two aircraft after 6 hours is approximately 2392 kilometers.
a positively charged electron cloud surrounding a negatively charged nucleus
a negatively charged electron cloud surrounding a positively charged nucleus
a negatively charged electron cloud surrounding a negatively charged nucleus
An atom is described as a negatively charged electron cloud surrounding a positively charged nucleus.
An atom is the basic unit of matter, consisting of a nucleus at its center, composed of protons and neutrons, and electrons orbiting the nucleus. It is the fundamental building block of elements, and the arrangement of electrons determines an atom's chemical properties.
An atom is described as a negatively charged electron cloud surrounding a positively charged nucleus. The nucleus of an atom contains positively charged protons and electrically neutral neutrons, while the negatively charged electrons exist in the electron cloud surrounding the nucleus. This model of the atom is known as the Bohr model, which accurately represents the distribution of electrons in an atom.
#SPJ
A. x>0 but xB. x=A
C. x<0.
D. x=0.
E. None of the above
Answer:
The correct answer is option E. This is because when a body is undergoing simple harmonic motion, the displacement, velocity and acceleration are constantly changing with respect to position and time.
Explanation:
When the body is passing through the equilibrium position so that the displacement at that point is zero, the velocity at that point is either maximum or minimum (Vmax or Vmin) which is dependent on which way the body is moving (the chosen direction of positive sense of motion). At the equilibrium position the acceleration is zero because the net force acting on the body is zero (that is the sun of the forces acting on the body along both directions of motion is equal to zero). Also when the body is at either its maximum positive displacemt, x = +A, or its maximum negative displacement x = -A, the velocity is zero and the body is instantaneously at rest. At this points the force (in either direction) acting on the body has it maximum value and as a result the acceleration has it maximum magnitude whether negative or positive depending on the chosen direction positive sense of motion.
At any other point in the course of the SHM (simple harmonic motion), the velocity (V) and acceleration (a) of the always have nonzero values and as a result they are never simultaneously equal to zero.
Thank you very much reading and I hope this is helpful to you.