It must have a medium. It must travel in empty space. Mechanical waves are waves which needs medium of propogation.
The gentleman bug's angular speed is the same as the ladybug's (1 rev/s)
One simple way to losing weight is by calorie counting. Peter can go to his nutritionist and learn just how much calories he can have as intake per day to lose weight. The nutrition label on any food item lists the calories and their serving sizes. This can be used to keep track of how much calories Peter has taken each day, so as to not go over his daily limit.
Explanation:
Particle moving in a circular path with a constant speed.
Answer:
Alveoli
The bronchioles end in tiny air sacs called alveoli, where oxygen is transferred from the inhaled air to the blood.
Hope this helps :)
