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cupcakesmc619
18.11.2019 •
Physics
A28.0-g object moving to the right at 20.5 cm/s overtakes and collides elastically with a 11.0-g object moving in the same direction at 15.0 cm/s. find the velocity of each object after the collision. (take the positive direction to be to the right. indicate the direction with the sign of your answer.)
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Ответ:
Explanation:
It is given that,
Mass of object 1,![m_1=28\ g=0.028\ kg](/tpl/images/0379/6887/16392.png)
Initial speed of object 1,![u_1=20.5\ cm/s=0.205\ m/s](/tpl/images/0379/6887/8eacd.png)
Mass of object 2,![m_2=11\ g=0.011\ kg](/tpl/images/0379/6887/b02e4.png)
Initial speed of object 2,![u_2=15\ cm/s=0.15\ m/s](/tpl/images/0379/6887/1a07f.png)
The momentum of an object in case of elastic collision remains conserved. It is given by :
For elastic collision, the coefficient of restitution is equal to 1. It is given by :
On solving equation (1) and (2) we get :
Hence, this is the required solution.
Ответ:
I think the answer is a negative charge because electrons move through the filament which means they lose a lot of energy. I hope this helps
Explanation: