![subject](/tpl/images/cats/fizika.png)
Physics, 12.11.2019 02:31 robert7248
The "galilean cannon" is a stack of elastic balls that are dropped from a height onto a flat surface. when they rebound, the smallest ball at the top can bounce to incredible heights. imagine a stack of n balls with masses m, , 2m, 3m, β¦ etc. where > 1. the balls are dropped from a height β.
a. assume all the collisions between balls are elastic. derive an expression for the height that the smallest ball bounces to, using m, β, or some subset thereof
b. now assume that the ball-ball collisions are inelastic; when 2 balls collide, their total kinetic energy decreases by some factor i. e. = , with < 1. find such that the topmost ball rises back to the initial height β. assume the bottom ballβs collision with the ground is perfectly elastic.
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 04:00
If steel is more dense that lake water, why can a boat float
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 04:30
The graph describes the motion of an object. the object moves with from a to b. it from b to c. it moves with from c to d.
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 06:40
Use the right-hand rule for magnetic force to determine the charge on the moving particle. this is a charge.
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 16:30
In a classical model of the hydrogen atom, the electron moves around the proton in a circular orbit of radius 0.053 nm. what is the electron's orbital frequency? what is the effective current of the electron?
Answers: 3
You know the right answer?
The "galilean cannon" is a stack of elastic balls that are dropped from a height onto a flat surface...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 09.02.2021 22:50
![question](/tpl/images/cats/himiya.png)
Chemistry, 09.02.2021 22:50
![question](/tpl/images/cats/istoriya.png)
History, 09.02.2021 22:50
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 09.02.2021 22:50
![question](/tpl/images/cats/himiya.png)
Chemistry, 09.02.2021 22:50
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 09.02.2021 22:50
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
History, 09.02.2021 22:50
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 09.02.2021 22:50
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
History, 09.02.2021 22:50
![question](/tpl/images/cats/mat.png)
Mathematics, 09.02.2021 22:50