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Exercise 32.1 - Enhanced - with Feedback Part A How much time does it take light...
How much time does it take light to travel from the moon to the earth, a distance of 384000 km ? Correct answer= 1.28 secs Light from the star α Centaurus takes 4.30 years to reach the earth. What is the distance to α Centaurus in kilometers? please answer with 3 significant figures and km for units
Problem 17.1 - Enhanced - with Feedback Part A How long does it take light to travel through a 2.6-mm-thick piece of window glass? Express your answer in seconds. VO AXO 0 ? Submit Request Answer
calculate the pH of each solution. Exercise 14.70 - Enhanced - with Feedback Part A Calculate the pH of each solution You may want to reference (Pages 505-509) Section 14.9 while completing this problem. [H3O+] = 7.4 x 10-0 M Express your answer using two decimal places. V AXPO? pH Submit Request Answer Part B [H:01 - 6.6 x 102 M Express your answer using two decimal places. ΜΕ ΑΣΦ * * Ο ? pH- Submit Request Answer Part Exercise...
Problem 15.27 - Enhanced - with Feedback Part A What is the frequency of blue light that has a wavelength of 456 nm? Express your answer in hertz. VO AED ? f= Hz Submit Request Answer Part B What is the frequency of red light that has a wavelength of 656 nm? Express your answer in hertz. VALG ? Hz
Problem 17.21 - Enhanced - with Feedback A diffraction grating with 620 lines per mm is illuminated with light of wavelength 520 nm A very wide viewing screen is 2.0 m behind the grating Part A What is the distance between the two m=1 fringes? Express your answer in meters. ΡΙ ΑΣφ ? Ay = n Submit Request Answer Part B How many bright fringes can be seen on the screen? Express your answer as an integer. Η ΑΣφ fringe(s)
Problem 17.5 - Enhanced - with Feedback A helium-neon laser beam has a wavelength in air of 633 nm. It takes 1.33 ns for the light to travel through 28.0 cm of an unknown liquid Part A What is the wavelength of the laser beam in the liquid? Express your answer with the appropriate units. HA ? liquid Value Units Submit Request Answer
Problem 9.07 - Enhanced - with Solution 2 of 4 A Review Constants A laser beam aimed from the earth is swept across the face of the moon. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Rotation of a compact disc. Part A If the beam is rotated at an angular velocity of 1.50 x 10-rad/s, at what speed does the laser light move across the moon's surface? (See Appendix E in...
MMANCIUPHYS1403FALL2018 (Chapter 3 Problem 3.25 - Enhanced-with Feedback Constants Part A A boat takes 4.0 h to travel 29 km down a fiver, then 6.0 h to return. How fast is the river fowing? km/h Request Answer Provide Feedback 8
answer part A & B! pls Problem 14.13 - Enhanced - with Feedback Part A Some passengers on an ocean cruise may suffer from motion sickness as the ship rocks back and forth on the waves. At one position on the ship, passengers experience a vertical motion of amplitude 1.4 m with a period of 13 s. What is the maximum acceleration of the passengers during this motion? Express your answer in meters per second squared. | ΑΣΦ ? m/s2...
Problem 12.33 - Enhanced - with Feedback Part B 0.0052 mol of gas undergoes the process shown in (Figure 1). What is the initial temperature? Express your answer in degrees Celsius. 190 ΑΣΦ ? T." * Figure 1 of 1 Submit Request Answer p (atm) Part 3 What is the final temperature? Express your answer in degrees Celsius. 2 - TV AEO 04 V (cm) *C 100 200 300