A point mass is placed inside a thin spherical shell of radius R and Mass M at a distance R/2 from the Centre of the shell. The gravitational force exerted by the shell on the point mass is​

fgravity=10x10=100n case 1

fgravity=30x20=600n case 2

6 times more

2b2t

explanation:

2b2t

i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles

causes

fossil fuels burn

cities become more industrialized

human population grows worldwide