![subject](/tpl/images/cats/fizika.png)
Physics, 17.03.2020 03:17 emilyleighty07
A ski that is placed on snow will stick to the snow. However, when the ski is moved along the snow, the rubbing warms and partially melts the snow, reducing the coefficient of kinetic friction and promoting sliding. Waxing the ski makes it water repellent and reduces friction with the resulting layer of water. A magazine reports that a new type of plastic ski is especially water repellent and that, on a gentle 220 m slope in the Alps, a skier reduced his top-to-bottom time from 61.0 s with standard skis to 43.0 s with the new skis. Determine the magnitude of his average acceleration with (a) the standard skis and (b) the new skis. Assuming a 3.40° slope, compute the coefficient of kinetic friction for (c) the standard skis and (d) the new skis.
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 00:00
What must be the same for any two resistors that are connected in series ? a. the potntial diffrence across each b. the rate at which charge moves through each c. the rate at which energy is used by each d. the resistance to the flow of charge of each
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 16:40
Which are true about beta reactions? there will be more than one answer. a. it has no change b. it doesn't change the mass of the number c. it has a mass of 0.0005 atoms d. it causes transmutation.
Answers: 3
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fizika.png)
You know the right answer?
A ski that is placed on snow will stick to the snow. However, when the ski is moved along the snow,...
Questions
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 15.01.2021 14:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 15.01.2021 14:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 15.01.2021 14:00
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 15.01.2021 14:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fr.png)
![question](/tpl/images/cats/en.png)
English, 15.01.2021 14:00
![question](/tpl/images/cats/mat.png)
Mathematics, 15.01.2021 14:00
![question](/tpl/images/cats/mat.png)
Mathematics, 15.01.2021 14:00
![question](/tpl/images/cats/en.png)
English, 15.01.2021 14:00
![question](/tpl/images/cats/mkx.png)
Arts, 15.01.2021 14:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 15.01.2021 14:00
![question](/tpl/images/cats/istoriya.png)