Пружина жёсткостью 7 кн/м сжатая на 3см. выстреливает пулькой массой 5г на какой высоте потенциальная энергия пульки будет равна кинетической энергии?
lizokturina
2
06.04.2019 02:34
2
Другие вопросы по теме Физика
Broxxi
13.08.2019 17:30
ленаискакова
13.08.2019 17:30
kav2003
13.08.2019 17:30
sashadothenco
13.08.2019 17:30
yulyaahunova1
13.08.2019 17:30
Sasha000000000001
13.08.2019 17:30
Белоеморе
13.08.2019 17:30
BalKA13
13.08.2019 17:30
6472krenko1
13.08.2019 17:40
Популярные вопросы
- Look at the title, subheadings and the pictures.What do you expect to read...
1 - Present the food pyramid in Ex. 1 to the class. Say what each food group gives...
1 - Read again and list all the names of desserts, drinks, meat, dairy products,...
2 - Make a list of what you ate yesterday. Was it all healthy? Compare with your...
2 - Read the article. Which food type contains the following: fibre, iron, vitamin,...
2 - Tell the class what you have to do to make apple muffins. Use first, second,...
3 - Listen to a radio ad and complete the gaps (1-4). Clarendon Street, Newton...
2 - Circle the odd word out breakfast - lunch - dinner - dessert lemon - jam -...
2 - Before you start ... • When did you last eat out? Where did you go? What do...
2 - Where were you last summer? Where would you I like to go on holiday this summer?...
1
k*x^2/2=Ep+Ek=2*Ep=2*m*g*h h=k*x^2/4*g*m=7*10^3*9*10^-4/4*10*0,005=31,5 м