Problem 24.04. If the Sun suddenly turned off, we would not know it until its light stopped coming. How long would that be, given that the Sun is 1.50 × 108 km away?
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- Suppose the primed and laboratory observers want to measure the length of a rod that rests on the ground horizontally in the space between the helicopter and the tower (Fig. 39.8B). To derive the length transformation L = L (Eq. 39.5), we had to assume that the positions of the two ends were determined simultaneously. What happens to the length transformation equation if both observers measure the end below the helicopter at one time t1 and the other end at a later time t2?In 2019, SCUBA divers from Mexico explores the Atlantic Ocean (64lb/f) and finds a circular clock thoughtto be theancient remnants of the legendary Atlntis. If the clock measures 1.3 ft. in diameter and depth is measured to be 1250 ft. from the surface to the center of this clock, what force is experienced by the object? C. 16900 b: D. 106185.8317 lb: A. 251327.4123 lb: B. 53092.9159 lb;Light travels through vacuum at a speed of approximately 186,000 miles per second. The distance of the sun from earth is approximately 93,000,000 miles. - Thus it takes (ans….) minutes for light to travel from the sun to earth. Proxima Centauri has a distance of approximately 2.5x 10^13 miles. - it takes sunlight (and….) years to reach Proxima Centauri. (Assume that a year has 365.25 days.)
- 1. Based on the problem below, the time and length observed by observer onearth compared with that observed by an observer on the spaceship itself hasa difference of a factor of about a. 2b. 5c. 7d. 10 2. Based on the problem below, what is the duration of each light pulse asmeasured by the observer on earth? a. 1.42 EXP-5 sb. 2.54 EXP-6 sc. 2.82 EXP-7 sd. 3.52 EXP-8 sHow fast must you be moving toward a red light (l = 650 nm) for it to appear yellow (l = 590 nm)? Green(l=525nm)?Blue(l=460 nm)?(a) How long in seconds does it take a radio signal to travel 180 km from a transmitter to a receiving antenna? (b) We see a full Moon by reflected sunlight. How much earlier did the light that enters our eye leave the Sun? The Earth – Moon and Earth – Sun distances are 3.8x105 km and 1.5 × 108 km, respectively. (c) What is the round-trip travel time in seconds for light between Earth and a spaceship at a 6.8 × 107 km distance from Earth? (d) Suppose astronomers observe a supernova about 7300 light-years (ly) distant. How long ago in years did the explosion actually occur?
- The distance to a star is approximately 4.43 ✕ 1018 m. If this star were to burn out today, in how many years would we see it disappear? (b) How long does it take sunlight to reach Earth? in minutes(c) How long does it take for a microwave radar signal to travel from Earth to the Moon and back? (The distance from Earth to the Moon is 3.84 ✕ 105 km.)in secondsReview Conceptual Example 3 for information pertinent to this problem. When we look at a particular star, we are seeing it as it was 380 years ago. How far away from us (in meters) is the star? Take a year to be 365.25 days.How many meters are there in 3.2 light year (s), if the speed of light is 3 x 108 m/s. This number may be very large so do not round or truncate your number. Answer:
- length period Vlength 2. Turn your intercept into a statement. Hint: "When the is 0, the is ." cm Vcm Vx BIU EE EE O O 1. 19 0.8625 4.358898943540674 24 0.9667 4.898979485566356 29 1.1083 5.385164807134504 34 1.1958 5.830951894845301 3. Does your intercept make sense? How do you know? BIU E=E E 39 1.2292 6.244997998398398 44 1.3625 6.6332495807108 49 1.4083 7 54 1.4542 7.3484692283495345 4. A represents the slope of your line of best fit. Pay attention to the number and the unit. Mass Curve: 58 1.5375 7.615773105863909 7.937253933193772 A: 1.378 LO 63 1.6792 8.246211251235321 RMSE : 4.029 g 11 68 1.6875 Take a look at the box below your graph to find the slope of your line. What is the slope of your line? period vs Vlength BIU E= EE 1.7 1.6 1.5 1.4 5. Turn your slope into a "for every" statement. Hint: The goes up for every 1 1.3 of ." BIU E= EE 1.2 1.1 1 0.9 6. Write out the equation for your line of best fit. Hint: Make sure you have: 4.5 5 5.5 6 6.5 7 7.5 8 • Variables that…According to the formula for y, what would happen if the motion between the two frames was greater than the speed of light? Oy would be negative. Oy would be imaginary. O y would be one. O Nothing. O y would be infinity. Oy would be zero.If you were traveling away from a planet at 99% the speed of light, and turned on a flash light pointing behind you (toward the planet), a person on the planet's surface would see the light moving toward them at 1% the speed of light. O True O False bp