In 16 times
KE= o.5 m times V squared
Answer:
If you remember your username and password when you set up brianly. Uninstall it and then reinstall then put your information in. Then if that dont work send them a message telling them what's going on
As long as the sound is inside the helmet of your space suit, it will travel
at the same speed as it would on Earth, through the same mixture of gases
at the same pressure. Once it passes through the visor of your space helmet,
its 'speed' has no meaning, since there's nothing for sound to travel through on
the moon, and it doesn't travel at all.
When ball is about to hit the ground, almost all its potential energy has already converted into kinetic energy. Thus at t=0.9 sec, it has least potential energy.
