A 220 g block on a 60.0 cm -long string swings in a circle on a horizontal, frictionless table at 85.0 rpm. What is the speed of the block?

2 Answers

Relevance
  • oubaas
    Lv 7
    1 month ago

    V = ω*r = 2PI/60*n*r = 0.10472*85*0.60 = 5.34 m/sec 

  • Ash
    Lv 7
    1 month ago

    v = rω

    v = (0.600 m)(85.0 rpm * 2𝜋 rad/rev * 1 min/ 60 s)

    v = 5.34 m/s

Still have questions? Get your answers by asking now.