Abook weighs 0.5 kilograms on a book shelf that is 2 meters above the ground. what is the potential energy of the book relative to the ground? (hint: you may use 10 n/kg as the value for gravity) options: a. 5 joules b. 10 joules c. 15 joules d. 20 joules

0.5 • 10 • 2 = 10 
B. 10 Joules

Hypothesis. why don’t you know this? i learned this stuff in like 5th grade

Question 1 answer: make sure you eat healthy foods and excercise atleast once a day.question 2 answer: sometimes bullying . bullying lowers a persons self-esteem sometimes which can make them not care for themselves to much making them feel bad about there body structer. that or they just have a bad body structer and there family/doctor said its unhealthy how they eat.