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A Block of Mass M Is Released from Rest at a Height

Question 48

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A block of mass m is released from rest at a height R above a horizontal surface.The acceleration due to gravity is g.The block slides along the inside of a frictionless circular hoop of radius R. A block of mass m is released from rest at a height R above a horizontal surface.The acceleration due to gravity is g.The block slides along the inside of a frictionless circular hoop of radius R. -Which one of the following expressions gives the speed of the mass at the bottom of the hoop? A) zero m/s<sup>2</sup> B) v = mgR C) D) E) v<sup>2</sup> = 2gR
-Which one of the following expressions gives the speed of the mass at the bottom of the hoop?


A) zero m/s2
B) v = mgR
C) A block of mass m is released from rest at a height R above a horizontal surface.The acceleration due to gravity is g.The block slides along the inside of a frictionless circular hoop of radius R. -Which one of the following expressions gives the speed of the mass at the bottom of the hoop? A) zero m/s<sup>2</sup> B) v = mgR C) D) E) v<sup>2</sup> = 2gR
D) A block of mass m is released from rest at a height R above a horizontal surface.The acceleration due to gravity is g.The block slides along the inside of a frictionless circular hoop of radius R. -Which one of the following expressions gives the speed of the mass at the bottom of the hoop? A) zero m/s<sup>2</sup> B) v = mgR C) D) E) v<sup>2</sup> = 2gR
E) v2 = 2gR

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