3. What do you call the total path covered by the moving body? * acceleration
displacement
distance
speed
4. Ken is walking from their house going to school. What do you call the path from the starting point to its end point which includes both the length and the direction of the object? *
acceleration
displacement
speed
distance
HELP PLS

Distance: - The distance travelled by a body is the actual length of the path covered by a moving body irrespective of the direction in which the body travels. For example- if a man walks 4 km in east and 3km in north then actual length covered by the man is 4+ 3= 7 km.

Explanation:

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the density(ratio between mass and volume as m/v) decreases from top to bottom in periodic table group as the size increases and nuclear charge decreases. but in periods density increases from left to right as atom size decreases and nuclear charge increases.