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The work required to be done by an external force on an object on a frictionless, horizontal surface to accelerate the object form a speed v to a speed 2v is.
A) not known without knowledge of the acceleration.
B) twice the work required to accelerate the object from v= 0 to v.
C) four times the work required to accelerate the object from 0 to v.
D) three times the work required to accelerate the object from v= 0 to v.
E) equal to the work required to accelerate the object from v= 0 to v.
The work required to be done by an external force on an object on a frictionless, horizontal surface to accelerate the object form a speed v to a speed 2v is.
A) not known without knowledge of the acceleration.
B) twice the work required to accelerate the object from v= 0 to v.
C) four times the work required to accelerate the object from 0 to v.
D) three times the work required to accelerate the object from v= 0 to v.
E) equal to the work required to accelerate the object from v= 0 to v.
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