By giving them an advice and by giving them encouraging and explaining the any theory
B dropping a ball
C tentative and testable
Answer:
h = 4.04 m
Explanation:
Given that,
Mass of a child, m = 25 kg
The speed of the child at the bottom of the swing is 8.9 m/s
We need to find the height in the air is the child is able to swing. Let the height is h. Using the conservation of energy such that,
Put all the values,
So, the child is able to go at a height of 4.04 m.
Answer:
l=3.5 x 10^-10m
Explanation:
just toook the test got it right good luck!