In hotter temperatures, The speed of sound would move slower, since the air particles(The medium for sound to travel) would be more spread out in lower air pressure, for colder temperatures, the particiles are more compact, allowing sound to go farther, faster.
Both Distance and displacement deals the distance of the object but they differ distinct is scalr quantity and displacement is vector quantity or have Direction
Answer:
The second box
Explanation:
Work done is the force applied to move a body through a particular distance.
Work done = Force x distance
For the first box:
Weight = 12N
Distance = 1m
Work done = 12 x 1 = 12J
For the second box;
Weight = 1000N
Distance = 30cm = 0.3m
Work done = 1000 x 0.3 = 300J
The second box has a higher work done.