![Ball 1 collides with an another identical ball 2 at rest as shown in figure. For what value of coefficient of restitution e, the velocity of second ball becomes two times that Ball 1 collides with an another identical ball 2 at rest as shown in figure. For what value of coefficient of restitution e, the velocity of second ball becomes two times that](https://haygot.s3.amazonaws.com/questions/1194024_a947c457fa6c4ff7b23049d0e423a62a.png)
Ball 1 collides with an another identical ball 2 at rest as shown in figure. For what value of coefficient of restitution e, the velocity of second ball becomes two times that
A ball is projected vertically upward with a velocity of 40 MIS. Three seconds later a second ball is projected vertically upward with a velocity of 30mis. At what point above the
A ball is dropped from the top of a tower at a height of 50 m. After 2 seconds another ball is thrown vertically downward with a speed of 40 m/s, at
![Euro 2020: Fans fume as it emerges there were TWO balls on the pitch before Sterling won penalty | Daily Mail Online Euro 2020: Fans fume as it emerges there were TWO balls on the pitch before Sterling won penalty | Daily Mail Online](https://i.dailymail.co.uk/1s/2021/07/08/08/45184519-9767917-image-a-3_1625728895471.jpg)
Euro 2020: Fans fume as it emerges there were TWO balls on the pitch before Sterling won penalty | Daily Mail Online
Small steel balls fall from rest through the opening at a steady rate of 2 balls per second. The vertical separation h of two balls when the lower one has dropped 20
![Euro 2020: Fans fume as it emerges there were TWO balls on the pitch before Sterling won penalty | Daily Mail Online Euro 2020: Fans fume as it emerges there were TWO balls on the pitch before Sterling won penalty | Daily Mail Online](https://i.dailymail.co.uk/1s/2021/07/08/08/45184569-9767917-image-a-17_1625729019202.jpg)
Euro 2020: Fans fume as it emerges there were TWO balls on the pitch before Sterling won penalty | Daily Mail Online
![Euro 2021: England's controversial penalty: Was there even contact? A second ball on the pitch? | Marca Euro 2021: England's controversial penalty: Was there even contact? A second ball on the pitch? | Marca](https://e00-marca.uecdn.es/assets/multimedia/imagenes/2021/07/07/16256949998009.jpg)
Euro 2021: England's controversial penalty: Was there even contact? A second ball on the pitch? | Marca
![ESPN FC on Twitter: "There appeared to be a second ball on the pitch during the play that Raheem Sterling won a penalty for England in extra-time. https://t.co/U9y5BTv0ni" / Twitter ESPN FC on Twitter: "There appeared to be a second ball on the pitch during the play that Raheem Sterling won a penalty for England in extra-time. https://t.co/U9y5BTv0ni" / Twitter](https://pbs.twimg.com/media/E5ufvT9XsAgg4lI.jpg)