If you shout on the moon will the sound travel faster or slower on earth? why?

11. you want to calculate the displacement of an object thrown over a bridge. using -10 m/s2 for acceleration due to gravity, what would be the total displacement of the object if it took 8 seconds before hitting the water?

Ineed the answer to question 1 , i’m desperate

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?