Physics, 01.11.2020 14:50 jxcxhxwxll
The first 10 m of a 100 m dash are covered in 2 s by a sprinter who
from rest and accelerates constantly. The remaining 90 m is run wit
same velocity the sprinter had after 2 s. In this context, answer the follo
questions.
Calculate the sprinter's constant acceleration during the first 2 s.
What is the sprinter's velocity after 2 s?
- Calculate the total time required to run the full 100 m.
1 Draw the displacement-time graph for the sprinter.
Classify the following situations as examples of balanced' and 'unbala
orces.
Two forces of 20 N acting towards left.
accelerating nlane
Answers: 3
Physics, 21.06.2019 23:00, zahriamarie10
If an inclined plane is 5 m long and 2 m high, what is its mechanical advantage? a. 2.5 b. 3 c. 7 d. 10
Answers: 1
Physics, 22.06.2019 10:30, laura52677
Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?
Answers: 1
Physics, 22.06.2019 15:00, tanaemichel
Sodium chloride, nacl, is formed when a sodium atom transfers its electron to a chlorine atom. the difference in charge between the two atoms creates a(n) attraction that bonds them together.
Answers: 1
The first 10 m of a 100 m dash are covered in 2 s by a sprinter who
from rest and accelerates const...
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