Space Competition "Let's Go!" Or "To iPad 2?"

Dear users!

It is not a secret for anyone that exactly 50 years ago, on April 12, 1961, a man first flew around our home planet. The name of the hero, of course, is known to everyone - it was Yuri Gagarin. We congratulate you on the anniversary of this global event and offer to participate in the competition with a space bias.

“To do this, take cosmic spoons in your hands and fortify yourself with cosmic semolina!”

Fortified?

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The main prize of the competition is Apple iPad 2.

It can be yours if you successfully pass the test consisting of three steps, and also win ^* in an open user vote.

^* - if you failed to take the first place, do not be discouraged, all participants in the competition who have passed the third step will receive incentive prizes.

First stage
Solve three simple “cosmic” tasks known to you from the school program in physics and astronomy. The result of each task will be a number. Add up the three numbers and memorize the resulting amount.

Second stage
To perform the second step, log in at https://www.logol.ru/ . If this is your first time on our website, then go through the registration procedure - https://www.logol.ru/registration/ .
After authorization, a special field will appear on the page https://www.logol.ru/actions/space/ of our site, in which you need to enter the amount received at the first step.

If the amount is correct, the system will inform you of a secret topic. Record a video (lasting no more than 1 minute) on the topic you have been given and upload it to Youtube . In the title to the video write: “Logola Competition: I want an iPad 2!”

Send us to promo@logol.ru from the contact address you provided when registering on our website, a link to your video.

Third stage
After we have accepted your video and added it to the promotion page, hurry to call your relatives, friends and acquaintances to support your video in an open user vote.
The author of the most popular in the opinion of users of the video will receive our main prize - iPad 2!
Consider, since the winners are revealed by an open vote, it is on the quality and creativity of your video that its popularity and, accordingly, the likelihood of your winning the competition will depend.

The summing up of the user voting will take place on April 19 at 12:00 .

You are ready?! Then the key is to start! Go!

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First stage

Exercise 1.

In the far-distant galaxy *, some event occurred, and a second before it, in the same galaxy, another event occurred that was distant from the first one at 600,000 km. With what speed **, expressed in km / s, should the *** UFO move so that for it both events occur simultaneously?
^* - “Galaxy” should be understood as some inertial reference system.
^** - the speed of light is considered constant, equal to 3 * 10 ⁸ m / s.
^*** - it is assumed that the UFO has already chosen the right direction of movement.

Task 2.

The launch vehicle with a spacecraft has a starting mass of 100 tons. When starting, run:
- 4 first stage engines;
- 1 second stage engine.
According to TTX, traction force:
- engine first stage 1MN;
- the engine of the second stage 800kN.
Calculate the amount of overload experienced by astronauts at the start. The answer is round up to integers.

Task 3.

What is the cost of the brand (in copecks) of 1965, which depicts a monument to the creators of the first artificial satellite?

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The team of the company Logol
Wishes you the best of luck!

UPD.
The competition is nearing completion. On a special page in full swing is voting for the videos sent!
www.logol.ru/actions/space

UPD2.
The main competition is over!
However, at the request of the participants of the competition, as well as due to the fact that the majority of the contestants sent work with a delay, we extend the voting until 12:00 on April 22, 2011. by Moscow time.
Voting takes place at: www.logol.ru/actions/space

UPD3.
Our competition is over! Read more about the results in our blog: loo.gl/4PPZ
Thank you all for participating!