were no air drag and nothin 10. ally at a s If you c stop it, a. after 90 minute
ID: 776511 • Letter: W
Question
were no air drag and nothin 10. ally at a s If you c stop it, a. after 90 minutes it would return to you. b. it would orbit Earth. row a it would escape Earth's atmosphere. c. rown h heighe lant a ballis thrown horizontally with a large force, an identical ball is dropped from the same eight Whc ball hits the ground first? a. Neither, they both hit the ground at the same b. The horizontally thrown ball c. The dropped ball time. 12. Friction is a force that always acts a. perpendicular to an object's motion. b. opposite to an object's motion. c. in the same direction as an object's motion. 13. The weight of a person can be represented by a vector that acts a. in a direction that depends on where the c. parallel to the ground. d. straight down, even if the person is standing person is standing. b. perpendicular to the ground underneath the on a hill. e. all of the above person. 14. The acceleration produced by a net force on an object is a. inversely proportional to the mass of the object. directly proportional to the magnitude of the net force. c. in the same direction as the net force. d. all of the above e. none of the above b.Explanation / Answer
10. b : it would orbit earth
11. a. Neither, they both hit the ground at same time since the vertical acceleration is same
12. b: object to an objects motion
13. b. perpendicular to the ground underneath the person
14. d : all of the above.
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