Reportse-ServicesAcademic DepartmentsETC -CIMSA ball is dropped from a height of 8m above the ground. The velocity of the ball when reaching the ground isofa.-9.8 m/sO b. 8.85 m/stionOc 12.52 m/sO d. -12.52 m/sClearmychoiceThe distance between two objects is 2 m. If the distance is changed to 1m, the gravitational force between the objectsO a.decreases by 1/4thO b. increases 4 timesOa decreases by halfO d.s doubled e-Services -Academic DepartmentsETC -CIMS -Objects with greaterhave greater inertia.O a. speedmassO c.forceO d. frictionThe gravitational potential energy of a 700kg elevator at the top of a building, 350m above the ground level isO a.0,245MJOb. 2.401GJOd 2401MJO d. 2401kJ

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A ball is dropped from a height of 8m above the ground. The velocity of the ball when reaching the ground is O a. -9.8 m/s O b. 8.85 m/s O c. 12.52 m/s O d. -12.52 m/s Clear my choice

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

Reports
e-Services
Academic Departments
ETC -
CIMS
A ball is dropped from a height of 8m above the ground. The velocity of the ball when reaching the ground is
of
a.
-9.8 m/s
O b. 8.85 m/s
tion
Oc 12.52 m/s
O d. -12.52 m/s
Clear
my
choice
The distance between two objects is 2 m. If the distance is changed to 1m, the gravitational force between the objects
O a.
decreases by 1/4th
O b. increases 4 times
Oa decreases by half
O d.
s doubled

e-Services -
Academic Departments
ETC -
CIMS -
Objects with greater
have greater inertia.
O a. speed
mass
O c.
force
O d. friction
The gravitational potential energy of a 700kg elevator at the top of a building, 350m above the ground level is
O a.
0,245MJ
Ob. 2.401GJ
Od 2401MJ
O d. 2401kJ

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