The figure shows two packages that start sliding down a 20° ramp from rest a distance along the ramp from the bottom.Package A has a mass of 5.0 kg and a coefficient of kinetic friction 0.20 between it and the ramp.Package B has a mass of 10 kg and a coefficient of kinetic friction 0.15 between it and the ramp.How long does it take package A to reach the bottom?
A)2.7 s
B)3.0 s
C)3.2 s
D)3.5 s

Question

The figure shows two packages that start sliding down a 20° ramp from rest a distance  along the ramp from the bottom.Package A has a mass of 5.0 kg and a coefficient of kinetic friction 0.20 between it and the ramp.Package B has a mass of 10 kg and a coefficient of kinetic friction 0.15 between it and the ramp.How long does it take package A to reach the bottom? 
A)2.7 s 
B)3.0 s 
C)3.2 s 
D)3.5 s

Quizplus · Accepted Answer

The Answer of The figure shows two packages that start sliding down a 20° ramp from rest a distance  along the ramp from the bottom.Package A has a mass of 5.0 kg and a coefficient of kinetic friction 0.20 between it and the ramp.Package B has a mass of 10 kg and a coefficient of kinetic friction 0.15 between it and the ramp.How long does it take package A to reach the bottom? 
A)2.7 s 
B)3.0 s 
C)3.2 s 
D)3.5 s

The Figure Shows Two Packages That Start Sliding Down a 20°