All of the above is correct
the answer to this question is A because If no air resistance is present, the rate of descent depends only on how far the object has fallen, no matter how heavy the object is. This means that two objects will reach the ground at the same time if they are dropped simultaneously from the same height. ... In air, a feather and a ball do not fall at the same rate.
Distance walked 34km and displacement should be something like 28km
Answer:
Sound will travel the slowest in Air
Explanation:
The higher the m/s is, the faster the sound travels