Answer:
D. 200 kgm/s
Explanation:
Momentum is conserved.
Initial momentum = final momentum
(50 kg) (4 m/s) + (30 kg) (0 m/s) = final momentum
200 kgm/s = final momentum
Answer:
The answer is "1557 meters".
Explanation:
speed of sound in (
)

Data’s conclusion is considered
valid if the experiment validity is being controlled. With this conclusion
validity, our data gathered and presented are considered a reasonable one.
It is the most important types of validity. As what is said, by having conclusion
validity, your data will be undoubtedly least considered since it is labelled
as statistical and well-studied. Once you already mention the word
statistics meaning it is studied and surveyed with the most of the human
race and includes relationship in your data.
Answer:
juz taking points nvm no sry for u cos u too wasted point
Answer:
I think it's volcanoes erupt periodically