physics
mechanics
Easy

Question

I f space a space c y c l e space w h e e l space o f space r a d i u s space 4 space m space c o m p l e t e s space o n e space r e v o l u t i o n space i n space t w o space s e c o n d s. space
T h e n space a c c e l e r a t i o n space o f space a space p o i n t space o n space t h e space c y c l e space w h e e l space w i l l space b e space

  1. equals fraction numerator m v squared over denominator m end fraction plus m g
  2. fraction numerator m v squared over denominator m end fraction plus m g
  3. fraction numerator m v squared over denominator r end fraction minus m g
  4. m g

The correct answer is: m g


    C e n t r i p e t a l space a c c e l e r a t i o n space space space v square root of 5 g r end root s e c subscript m i n end subscript

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