B Bridget L New member Mar 10, 2011 #1 frictionless table at 78 rpm. (a) Wha? A 220 g block on a 60 cm-long string swings in a circle on a horizontal, frictionless table at 78 rpm. (a) What is the speed of the block? m/s (b) What is the tension in the string?
frictionless table at 78 rpm. (a) Wha? A 220 g block on a 60 cm-long string swings in a circle on a horizontal, frictionless table at 78 rpm. (a) What is the speed of the block? m/s (b) What is the tension in the string?