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Amass m is constrained to move on a horizontal frictionless surface. It is set in curcular motton and angular speed o, by an applied force F communicated through an inextensible thread that passes through a hole on the surface as shown in the figure. This force is then suddenly doubled. The magnitude ofthe radial velocity of the mass (a) Increases till the mass falls into the hole. (c) Remains constant. (b) Decreases till the mass falls into the hole. (d) Becomes zero at a radius r, where 0

Amass m is constrained to move on a horizontal frictionless surface. It is set in curcular motton and angular speed o, by an applied force F communicated through an inextensible thread that passes through a hole on the surface as shown in the figure. This force is then suddenly doubled. The magnitude ofthe radial velocity of the mass (a) Increases till the mass falls into the hole. (c) Remains constant. (b) Decreases till the mass falls into the hole. (d) Becomes zero at a radius r, where 0

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Amass m is constrained to move on a horizontal frictionless surface. It is set in curcular motion with radius r, and angular speed w, by an applied force i communicated through an inextensible thread that passes through a hole on the surface as shown in the figure. This force is then suddenly doubled. The magnitude ofthe radial velocity of the mass 25. (a) Increases till the mass falls into the hole. (c) Remains constant. (b) Decreases till the mass falls into the hole. (d) Becomes zero at a radius r, where 0<r,<r,
Transcribed Image Text:Amass m is constrained to move on a horizontal frictionless surface. It is set in curcular motion with radius r, and angular speed w, by an applied force i communicated through an inextensible thread that passes through a hole on the surface as shown in the figure. This force is then suddenly doubled. The magnitude ofthe radial velocity of the mass 25. (a) Increases till the mass falls into the hole. (c) Remains constant. (b) Decreases till the mass falls into the hole. (d) Becomes zero at a radius r, where 0<r,<r,
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