If an electron makes a transition from the n = 5 Bohr orbit to the n = 2 orbit, determine the wavelength of the photon created in the process. Answer in units of m. Assuming that the atom was initially at rest, determine the recoil speed of the hydrogen atom when this photon is emitted. Answer in units of m/s.
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- 1. Voyager rocket is traveling between Earth and Jupiter (distance 8.013x1010 m). If Voyager probe was thousand times faster and had a speed of v=17x106 m/s=0.057c calculate the Earth-Jupiter distance that instruments aboard measure. a. What is the time of Voyager's trip measured by instruments onboard? Write your answer in seconds rounded to a whole number (for example 1234 s). _______________ b. What is the time of the trip measured by NASA on Earth? 2. An asteroid is traveling from asteroid belt to Earth with a speed of 0.6 c. To save the Earth, group of brave men set an explosive device to explode in 138 minutes. When will the group of scientists that monitor asteroid on Earth see the explosion (if everything goes rightReview Conceptual Example 3 for information pertinent to this problem. When we look at a particular star, we are seeing it as it was 204 years ago. How far away from us (in meters) is the star? Take a year to be 365.25 days. Number i Units3.8 micro m is equal to (1 point) A. 8e6 nm B. 08e3 nm C. 8e-2 nm D. 8e-3 nm E. 8e2 nm 4. 7.2 km/hr is equal to A. O25.92 m/s B. 02m/s C. 2592 m/s D. 2000 m/s E. 7200 m/s S. 7 cm is equal to A700m B. 7e-6 m C7e-4m² D. 704 m² E7e-9 m 6.9 g cm A B. C is equal to (" 900 kg m 0.09 kg m- 90,000 kg m
- Aliens slowing down to observe Earth often are distracted by lighthouses. As aliens pass Earth in their spaceship they notice a lighthouse completes its circuit once every 7.0 s, however the lighthouse attendant has set the lighthouse to complete its circuit every 5.3 s from his point of view. How fast is the alien spaceship traveling in terms of the speed of light? c1. A rocket flies toward the earth at c, and the captain shines a laser light beam in the forward direction. Which of the follow- ing statements about the speed of this light are correct? (There may be more than one correct answer.) A. The captain measures speed c for the light. B. An observer on earth measures speed e for the light. C. An observer on earth measures speed c for the light. D. The captain measures speed c for the light.Earth's neighboring galaxy, the Andromeda Galaxy, is a distance of 2.54 × 107 light-years from Earth. If the lifetime of a human is taken to be 85.0 years, a spaceship would need to achieve some minimum speed Umin to deliver a living human being to this galaxy. How close to the speed of light would this minimum speed be? Express your answer as the difference between Umin and the speed of light c. C- Umin = m/s
- The distnace from earth to the moon is 239,000 miles. a. how many kilometers are in 239000 miles? b. given that the light travels at 3.00*10^8 m/s , how many minutes does it take for light to travel to the moon ? c. The apollo 10 mission holds the record for the highest speed by a manned vehicle at 11080 m/s . How many minutes would it take for the apollo 10 mission to reach the moon assuming the rocket travels ina straight line at that top speed? d. The apollo 11 mission took 73.45 hours to reach lunar orbit once it left earths orbit. The avergae speed duirng that time was 5500km/hr. How many miles did the apollo 11 mission actually travel in space ?Please do this carefully.On December 12, 1996, at exactly midnight, I was born. How old am I now if the time is 11:00 AM and the date is October 26, 2022? 329.54 mo 310.475 mo 352.562 mo 299.98 mo NONE OF THE ABOVE
- Washington, D.C., is located at about 750 W longitude and 380 N latitude. San Francisco is near 1270 W longitude and 380 N latitude. Estimate how many minutes later the Sun rises in San Francisco than inWashington, D. C. How far apart would you estimate these cities to be? Assume that the earth’s radius is 6400 km. One day has 1440 minutes and of course the earth rotates 360 degrees around its axis in one dayThe solution differs so I must ask the teacher to explain. The book states that the solution is 11mCTwo automobiles are 150 kilometers apart and traveling toward each other. One automobile is moving at 35 km/h and the other is moving at 40 km/h. In how many hours will they meet? A) 2.5 h B) 2.0 h C) 1.75 h D) 1.5 h F) 1.25 h