Internal validity

The instability of the roller coaster creates a spring constant. This means that as the car travels through the roller coaster, it loses energy because the track shakes and moves. For example, when viewing the videos it became apparent that when the car entered the loop, the track shook violently making it difficult to determine when the car reached each location. As the car went through the track, going up into the loops it grew in height, decreasing in kinetic energy while increasing in…

Are you a big car or automotive fan? If so, it is always fun to look at the new cars that come out. We all love to see all the new features, new safety systems, and new styles that come out over the years. It seems like all the cars on the market now couldn't get any better or improve more. Although, they don't seem like they could get any better there is always some way that they do. Most of the cars on the market are getting cheaper but some seem to keep rising. Some vehicles blow away the…

A car’s name is supposed to evoke respect as well as engender consumer interest in a product, but sometimes manufacturers choose an identity that does just the opposite. In some instances the car’s name may simply be a cultural mistake, what sounds right in the native tongue, but translates badly elsewhere. We can’t always say for certain why a manufacturer would choose a particular (bad) name, but we can identify some of the worst car names of all times and the history behind those models. 1…

Unlike that abused, possibly rusted, neglected, 1985 push mower that is stored in your shed or garage, a rotary mowing unit that cuts rough at your golf course requires a bit more attention to detail and TLC if you want it to last and continue making your course presentable and playable for paying members. Due to the fact that a rotary mowing unit at a golf course often operates under conditions where sticks, stumps, rocks, and numerous other non- turf debris exist, it is of the utmost…

If you are residing in the Leicester area or the surrounding localities and are searching for an affordable and reliable driving school, consider enrolling at the Hallam Driving School. In comparison to other driving schools in the area, Hallam Driving School provides a friendlier tolerant tuition that will suit all of your needs. Why choose Hallam Driving School Skilled personnel The Hallam Driving School is situated in Leicester and offers driving lessons to the residents of the city and the…

DRIVERLESS CARS Over the years technology has gotten better and stronger over the years.For example phones, T.V.’s, computers and even virtual reality. There are many more things this is just the beginning. So why not add driverless cars to the big list. Driverless cars are required because too many people are tired of driving to the same place everyday, or going on long trips. They can provide cheap transportation so you don't have to pay for taxis, rest while in a trip also, they provide high…

Special Forces Qualification Course (SFQC) exposed me to UW during Robin Sage training. UW concept and some of its activities were new to me. Seven years later when someone mentions UW, I remember my Robins Sage training. In my experience, Foreign Internal Defense (FID) is the majority of training I conducted. I heard how SF prides itself in UW, but the focus was on conducting foreign…

4020 OR 806 John Deere and International owners are like two rival schools. They are always bragging about who’s better and how better they are. Ever since, the middle 60’s there has been a fight about two tractors. Which are better the international 806 and the john Deere 4020? They were tractors both made in the late 60s and were comparable on many things. There are many differences and similarities between the 806 and the 4020. I am an International guy and will always be. I have two 806’s…

2017 Chevrolet Bolt EV in San Diego The 2017 Chevrolet Bolt EV in San Diego is bound to make eco-friendly drivers euphoric. This all-electric subcompact vehicle offers efficiency, and its sculpted appearance coupled with the latest technologies is bound to get you noticed wherever you drive. There is so much more to the 2017 Chevy Bolt that it requires a closer look. Trims and Features of the 2017 Chevrolet Bolt EV The 2017 Chevrolet Bolt EV comes in two trims, and each trim has distinctive…

Taxi company Uber has not been on the good side of news lately. It is facing some controversy over its standards. Anybody, regardless of taxi license or not, can be a driver, which begs the question; Is Uber safe? "Well, [Uber] certainly is a lot safer than most cab companies," Rachel Formanek, senior said. The controversial cab company has stated that they, "try to make the best experience for the passenger and the driver in the safest way possible," but many would disagree. "Somebody…