Acollege dormitory room measures 10 feet wide by 12 feet long by 8 feet high. weight density of air is 0.07 lbs/ft3. what is the weight of air in it under normal conditions?

Which two objects have the greatest gravitational force acting between them

Ametal ball with a mass of 0.028 kg is dropped from rest at a height of 1.0 meters above the ground. assuming the energy in the ball is conserved, how much kinetic energy will the ball have when it is 0.5 meters above the ground?

Aperson walking 1 mile everyday for exercise, leaving her front porch at 9: 00 am and returning to her front porch at 9: 25 am. what is the total displacement of her daily walk? a) 1 mileb) 0c) 25 minutes d) none of the above