Biology Forums - Study Force

Science-Related Homework Help Physics Topic started by: GOOD2Know17 on Jan 21, 2018



Title: A 2.0-kg block slides down a fixed, rough curved track. The block has a speed of 5.0 m/s after its ...
Post by: GOOD2Know17 on Jan 21, 2018
A 2.0-kg block slides down a fixed, rough curved track. The block has a speed of 5.0 m/s after its height above a horizontal surface has decreased by 1.8 m. Assume the block starts from rest. What is the change in mechanical energy of the block caused by the force of friction during this descent?
 a. -14 J
  b. -12 J
  c. -10 J
  d. -16 J
  e. -25 J


Title: A 2.0-kg block slides down a fixed, rough curved track. The block has a speed of 5.0 m/s after its ...
Post by: hillaryana on Jan 21, 2018
Content hidden