A 68.5 kg skater moving initially at 2.40 m/s on rough horizontal ice comes to rest uniformly in 3.52 s due to friction from the ice. What force does friction exert on the skater?
1 Answer
Dec 12, 2017
The force of friction is
Explanation:
The mass of the skater is
The initial speed is
The final speed is
The time is
Applying the equation of motion
The acceleration is
According to Newton's Second Law
The force of friction is