IS obse Elongation, and angle betwe venus and the Sun on the sky is determined to be 46.3 degrees. A radar beam is transmitted towards Venus when it is at inferior conjunction, and the reflected signal is detected on Earth after 277 seconds. Determine the Sun-Venus distance and express your answers in metres. Show all of your working. [Expect to use no more than one A4 page for this subquestion.]
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- Give an example of variables that have correlation but no causation exists? Explain why these variables have correlation. Could there be a lurking variable that these variables are both tied to/or do you think this correlation was caused by p-hacking? [2-3 sentence or a graph] You may NOT use the ice cream/crime example AND you may not copy information verbatim from websites. You may look at https://stats.stackexchange.com/questions/36/examples-for-teaching-correlation-does-not-mean-causation for examples but you need to (at a minimum) put what you find in your own words and explain what the true cause of the relationship is. In the ice cream/crime example it was found that in a particular city that when ice cream consumption went up so did petty crime (stealing/larceny). The true cause was that it was summer and it was hot (and kids didn't have school to keep them busy). How do we decide if the correlation coefficient is close enough to ±±1 to declare that there is…Provide your calculations, including all relevant steps are included and your units are labeled. The plane carrying the supplies will be cruising at a constant velocity of 250 miles per hour relative to the ground and at a height of 2,650 meters above the target site. Using this information, create a supply drop plan including all required information and calculations outlined below. As you are completing your supply drop plan, remember that correct SI units are a required component of your calculations and descriptions. A) Provide your calculations, including all relevant steps are included and your units are labeled. B) Describe the components of the kinematics equations used in your initial calculations below.y(t)=y0+vy0t-0.5gt2 1) Using algebra shows that a meteor, initially at rest(vy0=0) will take about 20 minutes to fall from an altitudeof 7,000 km as shown in the diagram to the right. Note thatthe change in y is negative and you will need to convert kminto meters for the units to work out correctly. The calculation from problem 1) is incorrect though. Thereason being that acceleration is not constant. Theacceleration due to gravity varies with height. When near thesurface of the Earth objects accelerate at g = 9.8 m/s2 however when the meteor is further away from the Earth it’sthe acceleration is less. The meteors acceleration is actually given by the formula. ay=-G(M/r2)
- Expression your answers without rounding off and without scientific notaiton. Please fill in the blanks:Problem 2. Planetary Body Composition: Density (Links to an external site.) of the Earth (Palen, et. al., 1st Edition, Chapter 6, problem 70) Earth’s mean (Links to an external site.) radius is 6,378 km and its mass is 5.97 x 1024 kg. CALCULATE Earth’s average (Links to an external site.) density. SHOW YOUR WORK. DO NOT LOOK UP THIS VALUE! The average density of Earth’s crust is 2,600 kg/m3. What does this tell you about Earth’s interior?Please help explain what steps I should take to solve this problem. Thank you. (See attached Image)
- I need help with knowing what to cirlce. The " increases decreases" part.How deep would be the eclipse caused by Jupiter transiting in front of the Solar disk, as observed from a distant star? To calculate it, compute the ratio of the crosssection of the Solar disk minus the cross-section of the Jupiter disk to the crosssection of the Solar disk (find the diameters online), and remove that number from 1 (it is a small number). SHOW YOUR WORK!Please explain the answers in easy to understand way. What can you say about the accuracy of your measurements? What can you say about the precision of your measurements? Measure the longest dimension of the room twice, using two different techniques. Do the measurement in feet and inches. Then convert to meters. Below is what I got. Tape Measure - 146 inches > 3.7084 meters / 12 feet and 2 inches = 12.1667 feet > 3.70840 meters Ruler - 144.5 inches (144 + 1/2) = 3.6703 meters / 12.0416 feet = 3.67027 meters