The ball was moving for 0.8seconds
This is because 4/5 x 1 = 0.8
Hope this helps and good luckkkk :)
Answer:
smaller one
Explanation:
even though he is moving quicker doesn't mean he will be packing more force in the collision
You forgot to add a photo.
Answer:
B
Explanation:
Wave length is the height perpendicular verically of a wave
Number 4 is c , number 5 is a , number 6 is d and 7 is a