If an object is moving at #3 m/s# over a surface with a kinetic friction coefficient of #u_k=20 /g#, how far will the object continue to move? Physics Forces and Newton's Laws Frictional Forces 1 Answer ali ergin May 10, 2016 #S=0.225 m# Explanation: #"First; let's calculate the friction force:"# #F_f=u_k*G# #G:"weight of object G=m.g"# #u_k:" coefficient of friction"# #F_f=u_k*m*g# #F_f=20/g*m*g# #F_f=20m# #a=F_f/m# #a=(20m)/m " "a=20 m/s^2 " acceleration of object"# #"when object is stops ,the final velocity of its is zero"# #v_f^2=v_i^2-2*a*S# #v_f:"final velocity"# #v_i:"initial velocity"# #a:"acceleration"# #"S:"displacement"# #0=3^2-2*20*S# #9=40*S# #S=9/40# #S=0.225 m# Answer link Related questions Question #d6539 Question #242b7 Question #6bde4 Question #50c79 Question #a2018 Question #f7a62 Question #27931 Question #0b375 Question #d70af Question #dab6f See all questions in Frictional Forces Impact of this question 1657 views around the world You can reuse this answer Creative Commons License