Resultant is the correct answer!
Answer:

Explanation:
First, denote our known values;

Mass is impulse divided by change in velocity:

Hence, the mass of the ball is 141.30grams
Answer:
They could be jumping off structures, running or climbing on rocks. They also could be participating in sports like soccer.
Explanation:
sources:
https://www.philippinesbasiceducation.us/2013/06/physical-activity-and-physical.html - about there play schedule
http://sportphil.com/category/articles/ - concil of philippines
Sorry that's all I could find.
Answer:
1.58 Hz
Explanation:
The frequency of the simple pendulum is given by
f = 1/T
= 1/2π√g/l
In this problem, I = 10.0 cm = 0.1 m
f = 1/2π√9.8/0.1
= 1.58 Hz