user-avatar
lelinh06062001
2 năm trước
Một bình hoa có khối lượng 2kg đặt trên bàn. Biết đáy bình là mặt tròn bán kính 5cm. Hãy tính áp xuất của bình lên mặt bàn
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Anxiety during puberty Many psychologists believe that boys and girls are (1) _________ to anxiety when they experience puberty for a number of reasons. Puberty often starts at the middle of (2) ________ (from 15 to 17 years old) when people experience rapid changes in their body as well as their brain. Such changes may cause a lot of anxiety if adolescents are not (3) _________ of what they are undergoing. For girls, acne is always a big crisis and for boys, changes in their voice sometimes bother them.Those teenagers may lose their confidence because they are ashamed of the changes of appearance. Besides, the surge in hormones also (4) __________ to high level of anxiety of teenagers. During (5) __________, moodswing happens very often and teenagers easily get (6) __________ at tiny problems. It is necessary that parents fully understand their children to help them deal (7) __________ anxiety. 1. A. near B. prone C. about D. close 2. A. adolescence B. adolescent C. adulthood D. adult 3. A. well-aware B. well-understand C. self-discipline D. well-behaved 4. A. comes B. contributes C. distributes D. attributes 5 .A. adulthood B. childhood C. puberty D. teenage 6. A. interested B. keen C. frustrated D. excited 7. A. on B. in C. with D. about

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team