A simple Atwood’s machine uses a massless
pulley and two masses m1 and m2. Starting
from rest, the speed of the two masses is
4.2 m/s at the end of 4.7 s. At that time, the
kinetic energy of the system is 94 J and each
mass has moved a distance of 9.87 m.
9.87 m
Find the value of heavier mass. The accel-
eration due to gravity is 9.81 m/s2 .
Answer in units of kg
002 (part 2 of 2) 10.0 points
Find the value of lighter mass.
Answer in units of kg

Question

A simple Atwood’s machine uses a massless
pulley and two masses m1 and m2. Starting
from rest, the speed of the two masses is
4.2 m/s at the end of 4.7 s. At that time, the
kinetic energy of the system is 94 J and each
mass has moved a distance of 9.87 m.
9.87 m
Find the value of heavier mass. The accel-
eration due to gravity is 9.81 m/s2 .
Answer in units of kg
002 (part 2 of 2) 10.0 points
Find the value of lighter mass.
Answer in units of kg