![subject](/tpl/images/cats/fizika.png)
Physics, 23.06.2020 10:57 sherlock19
Two cannonballs are dropped from a second-floor physics lab at height h above the ground. Ball B has four times the mass of ball A. When the balls pass the bottom of a first-floor window at height above the ground, the relation between their kinetic energies, KA and KB, is:.A) KA- 4KB B) KA 2KB C) KA KB D) KB 4KA.
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 11:30
Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?
Answers: 2
![question](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 01:10
Calculate 9 ∙ 10-5 divided by 3 ∙ 10-9. (box after the "10" in answer is for the
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 17:30
In order to do work, the force vector must be in the same direction as the acceleration vector. in a different direction than the displacement vector. in a different direction than the acceleration vector. in the same direction as the displacement vector and the motion.
Answers: 2
![question](/tpl/images/cats/fizika.png)
You know the right answer?
Two cannonballs are dropped from a second-floor physics lab at height h above the ground. Ball B has...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 21.09.2020 16:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 21.09.2020 16:01
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.09.2020 16:01
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.09.2020 16:01
![question](/tpl/images/cats/fr.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 21.09.2020 16:01
![question](/tpl/images/cats/istoriya.png)
History, 21.09.2020 16:01