Вопрос по физике:

Тело массой 20кг за некоторый промежуток времени, находясь на высоте 5м, поднялось на высоту 10м. Определить работу силы тяжести по подъему тела на эту высоту.

ПОМОГИТЕ ПОЖУЛУЙСТА!

Вопрос по химии:

Напишите уравнения реакций, протекающих при электролизе расплавов или водных растворов солей. Катод – платина, анод указан для каждой соли. Используйте практические правила электролиза

K3PO4р-р Медь Fe2(SO4)3р-р Графит

Вопрос по английскому языку:

Rewrite the sentences in the passive voice, if possible.

1.     In all societies prescriptive laws regulate relations between people.

2.     Sometimes people can break the rules without suffering any penalty.

3.     Members of every community have made laws for themselves in self- protection.

4.     Every country tries to provide laws which will help its people to live safely and comfortably.

5.     No country has been successful in producing laws which are entirely sat- isfactory.

6.     Parliament makes laws and courts interpret them, but Parliament makes all changes in the law itself.

7.     County courts deal with civil cases (for example, divorce or bankruptcy cases).

8.     The legal system also includes juvenile courts (which deal with offenders under seventeen) and coroners’ courts (which investigate violent, sudden or unnatural deaths).

9.     King Hammurabi who gave the world its first great code of laws, lived some two thousand years before Christ and several centuries before the Israelites received the Ten Commandments from Moses.

10.       In order that “the strong should not oppress the weak, and that widows and orphans should be rightly dealt with,” Hammurabi had a pillar of stone with 282 legal precepts.

11.       They prominently placed the stone, eight feet in height, in the city of Babylon so that all who lived or visited there could have no excuse for not knowing the laws of the country.

12.       Legends about Hammurabi and the code of laws which he devised sur- vived.

13.       But the world might still be wondering if King Hammurabi really set up the early concepts of justice from which our modern law derives.

14.       One can see a great stone pillar in the Louvre museum in Paris that stood in the centre of Babylon more than four thousand years ago and inscribed on it is Hammurabi’s code of laws.

Вопрос по русскому языку:

Вопрос по русскому языку: