Question
a force of 400 N Pushes on a 30 kg box. Starting from rest, the box attains a speed of 4 m/s in 5 seconds. determine the mu between the box and floor.
Answers
bobpursley
net force= ma
400-forcefriction=ma
400-mu*mg=ma
where a= 4/5 m/s^2
solve for mu
400-forcefriction=ma
400-mu*mg=ma
where a= 4/5 m/s^2
solve for mu
I've tried over and over and get mu = .36 which I know is wrong. (Supposed to be .51)
What am I doing wrong?
What am I doing wrong?
Related Questions
A 25 kg box is along a horizontal floor and a force of 400 N pushes the box with an angle of 50 deg...
A 25 kg box is along a horizontal floor and a force of 400 N pushes the box with an angle of 50 degr...
a body starting from rest attains a speed of 8 m/s in 2 seconds. find the acceleration of the car.
An electric train leaves a station starting from rest and attains a speed of 72km/hr in 10 second. I...