Please help me with the following questions.

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Part A The distance to a particular star, as measured in the earth's frame of reference, is 7 79 ly (1 light year is the distance light travels in 1 y ). A How long does the trip take, according to observers on earth? spaceship leaves earth headed for the star, and takes 3.36 y to arrive, as measured by passengers on the ship. Express your answer in years. t = 8.48 y Submit Previous Answers Correct Part B What distance for the trip do passengers on the spacecraft measure? (Hint What is the speed of light in units of ly/y?) Express your answer in light years. AEd 2 ? ly Submit Request AnswerI Roview Part A For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Time dilation at airliner speeds How fast must a rocket travel relative to the earth so that time in.the rocket "slows down" to half its rate as measured by earth-based observers? Express your answer in meters per second to three significant figures. IVO AED OE ? m/s Submit Request Answer Part B Do present-day jet planes approach such speeds? yes no Submit Previous Answers Correct ound less than about 3000 m/s Jet planes fly at much lower speeds than we calcVP 33.5.1 Be sure to review Example 33 5 (Section 33.5) before attempting these problems Part A A polarized laser beam of intensity 325 W/in shines on an ideal polarizer The angle between the polarization direction of the laser beam and the polanzing axis of the polarizer is 11:0" What is the intensity of the light that emerges from the polarizer? Express your answer in watts per meter squared. AEQ W/m2 Submit Request Answer VP 33.5.2 Part B Complete previous part(s) Part C Complete previous part(s) VP 33.5.3 Next > Provide Feedback 12:03 . .. 11/7/20An object 0.550 cm tall is placed 16.0 cm to the left of the vertex of a (16.0 cm) (12.0 cm) concave spherical mirror having a radius of curvature of 24.0 cm SO S 16.0.cm -12.0 cm = +48.0 cm For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Image formation by a concave mirror i Part B Determine the size of the image Express your answer in centimeters. AEQ ? h = 1.7 cm Submit Previous Answers Request Answer * Incorrect; Try Again; 2 attempts remaining Part C Determine the orientation of the imagePart A Two thin lenses with a focal length of magnitude 21.0 cm, the first diverging and the second converging, are located 15.8 cm apart. An object 1.70 mm tall How far from this first lens is the final image formed? is placed 35.0 cm to the left of the first (diverging) lens. Express your answer in centimeters. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of An image of an image 1 = 33.7 cm Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part B Part C What is the height of the final image? Express your answer in milimeters. AEd mm ly'l = 2.6 Submit Previous Answers Request Answer X Incorrect: Try Again: 4 attempts remaining in OVOPart A Coherent light of frequency 6.35 x 1014 Hz passes through two thin slits and falls on a screen 87.0 ci away. You observe that the third bright fringe occurs at + 3.06 cm on either side of the central bright fringe. How far apart are the two slits? Express your answer in millimeters. d = 403x10 2 mm Submit Previous Answers Correct Part B At what distance from the central bright fringe will the third dark fringe occur? Express your answer in centimeters. Ivo AEd 0 2 ? 12.24 cm Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining