Click on submit assignment to get the text entry box. Type your answers into that box.
1. a. What is newton's first law? What does this mean for trains?
b. One of the problems with public transport is that as soon as the train gets up to speed, it's time to start slowing down for the next stop. How have we tried to get around this challenge?
c. How does this train try to increase it's speed https://www.youtube.com/watch?v=NYtgIXfWaYM
d. How does this future train plan to go even faster? https://www.youtube.com/watch?v=pztF8wMUajM
e. open this file in google draw and design the route of your railway system. You will need to go to File, make a copy, and then you will be able to edit the image to draw your system on it. https://docs.google.com/a/nebo.edu/drawings/d/1PI9r_uIkbZp94gOPDU15jAmxiqdCH1pA0tUyfK59wsI/edit?usp=sharing When you are done click share, then click "get shareable link" Copy that url and paste it into your assignment.
2. a. What is newton's 2nd law? What does this mean for making cars that accelerate quickly?
b. What innovations help this car go faster http://www.autoguide.com/auto-news/2017/01/learn-how-the-dodge-challenger-srt-demon-lost-215-pounds.html (dodge demon)
c. Design your own car. How can you increase power? How can you reduce weight? Figure out the horsepower, and the weight. Then use this calculator to estimate your 0-60 time http://www.carspecs.us/calculator/0-60.
d. divide 27 by your 0-60 time to convert to metric m/s2
e. Then multiply that number by your car's weight in (in kg, divide lbs by 2.2) to get force in N.
3. a. What is newton's 3rd law? What does this mean for rockets?
Watch these videos about spacex rockets.
https://www.youtube.com/watch?v=Cm4MfkJeqCw (Falcon Heavy)
https://www.youtube.com/watch?v=lEr9cPpuAx8 (ocean landing)
b. What is the point of the ocean landing?
c. What is the total thrust pushing down from the explosions between the first and second stages (in a vacuum). http://www.spacex.com/falcon-heavy
d. What is the total thrust that pushes the rocket up?