Answer:
television,newspaper,radio,laptops,computer etc..
Answer:
Ai tl câu hỏi này giùm e vớiqaj
Explanation:
E p = m · g · h
E p ( book ) = 0.35 kg · 9.8 m/s² · 2 m = 6.86 J
E p ( picture frame ) = 6.86 J
( same gravitational potential energy as the book )
6.86 = 0.5 · 9.8 · h
6.86 = 4.9 h
h = 6.86 : 4.9
h = 1.4 m
Answer: ... to a height of 1.4 m.