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- When solving for something in an equation, for example if I was solving for "a" in this equation: x=v0^2 + 1/2at^2 (kinematic equation) I've seen it reduced and rearranged to look like: a = 2x/t^2 My question is why did 1/2 become 2 and why did it go to the numerator and not stay next to t^2 on the denominator?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)State the definition for a parsec, and derive its value in terms of As- tronomical Units. Convert your answer for the value of the distance of a parsec in Astronomical Units into light years. Be sure to include a large and clearly labeled diagram showing how you arrived at your conclusions. Be sure to show all work!
- Please include the diagram. Solve it within 20-30minutesmejiaca@uci.e X A Dashboard Course Home M Inbox (481) mejiacarcamo22 X O View Schedule of Classes openvellum.ecollege.com/course.html?courseld=17313546&OpenVellumHMAC=13cdd6934da0a98971a33a84d1a8f67c#10001 Q 山 ☆ Update: Review I Constants Part A A ball of mass m moving with velocity Vj strikes a vertical wall as shown in (Figure 1). The angle between the ball's initial velocity vector and the wall is 6 as shown on the diagram, which depicts the situation as seen from above. The duration of the collision between the ball and the wall is At, and this collision is completely elastic. Friction is negligible, so the ball does not start spinning. In this idealized collision, the force exerted on the ball by the wall is parallel to the x axis. What is the final angle Of that the ball's velocity vector makes with the negative y axis? Express your answer in terms of quantities given In the problem introduction. • View Available Hint(s) Of = 0; !3! Submit Previous Answers Correct Part B What is…i posted this questio many times and nobody got it right please help