со скалы брошен горизонтально камень со скоростью 15 м/с. дальность полета оказалась равной высоте скалы.найти высоту скалы

№1. Раскройте скобки, употребляя глаголы в Present Simple. 
1. I (to run) run very fast.
2. He (to run) ............ very fast too. .
3. We often (to sleep) ............ in the garden.
4. Her sister (to leave) …….. .. home early.
5. Sally (to open) ............... the window in her room when she is hot.
6 Mr. Bay often (to go) ............. to the cinema with his son.
7. My Mammy (to swim) ............... very well.
8. We (to swim) .............. well too.

Рассчитайте удельную теплоемкость кирпича, масса которого3 кг, если при его остывании на 50° выделяется 113,4 Дж энергии

№2. Вставьте is / am / are / do / don't / does / doesn't.
1. Our grandma doesn 't live with us. She has her own little house.
2. What time ..... you usually wake up?
3. Why ... they looking at us?
4. I can’t talk to you now. I ..... working. 
5. ........... your brother shave every morning? 
6. We ..... want to move at all.
7. Sam .... a good football player, but he ..... play very often.
8. ..........the sun shining? No, it ... not.