# physics

posted by .

Bonnie and Clyde are sliding 500 bank safe across the floor to their getaway car. The safe slides with a constant speed if Clyde pushes from behind with 385 of force while Bonnie pulls forward on a rope with 300 of force.What is the safe's coefficient of kinetic friction on the bank floor?

• physics -

Ws = 500kg * 9.8N/kg = 4900 N. = Wt. of safe.

Fv = 4900 N. = Force perpendicular to floor.

Fk = u*Fv = u*4900 = Force of kinetic friction.

Fn = Fap - Fk = m*a
(385+300) - 490u = m*0 = 0
685 - 4900u = 0
-4900u = -685
u = 0.140.

## Similar Questions

1. ### Math

2x represents that Clyde is twice (2 times) as old as Bonnie. 6 years from now, Clyde will be twice as old as his cousin Bonnie will be then. If Clyde is now 16 years old, how many years old is Bonnie?
2. ### English II

sentence contain and error in Subject-Verb Agreement. A.Nine innings are the usual length of a baseball game. B. Benefits are vacation, sick leave, and other nonwage forms of compensation. C.Bonnie and Clyde glamorizes the images of …
3. ### english II

sentence contain and error in Subject-Verb Agreement. A.Nine innings are the usual length of a baseball game. B. Benefits are vacation, sick leave, and other nonwage forms of compensation. C.Bonnie and Clyde glamorizes the images of …
4. ### Math

2.) Bonnie is four years older than Clyde. Ten years ago she was twice his age. How old is Bonnie?
5. ### algebra

bonnie is four years older than clyde. ten years she was twice his age. how old is bonnie?
6. ### income tax

Clyde had worked for many years as a chief executive of Red Industries. Inc. and had also been a major shareholder. Clyde and the company had a falling out, and Clyde was terminated. Clyde and Red executed a document under which Clyde’s …
7. ### physics

Bonnie and Clyde are sliding 500 bank safe across the floor to their getaway car. The safe slides with a constant speed if Clyde pushes from behind with 385 of force while Bonnie pulls forward on a rope with 300 of force.What is the …
8. ### Physics

Two workers are sliding 310kg crate across the floor. One worker pushes forward on the crate with a force of 440N while the other pulls in the same direction with a force of 230N using a rope connected to the crate. Both forces are …
9. ### physics

Two workers are sliding 330 kg crate across the floor. One worker pushes forward on the crate with a force of 410 N while the other pulls in the same direction with a force of 240 N using a rope connected to the crate. Both forces …
10. ### physics

Two workers are sliding 450 kg crate across the floor. One worker pushes forward on the crate with a force of 380 N while the other pulls in the same direction with a force of 380 N using a rope connected to the crate. Both forces …

More Similar Questions