Sunday

March 1, 2015

March 1, 2015

Posted by **sophie** on Friday, April 3, 2009 at 7:30pm.

A. 5.8 J

B. 2.49 10^2 J

C. 3.25 10^2 J

D. 8.24 10^3 J

I know the formula is W=Fdcos0 but I keep trying and can't get the right answer

- physics -
**drwls**, Saturday, April 4, 2009 at 12:47amYou have to add the F d cos theta values of both Carol and Bruno.

14.5 m * (11.4 cos 40 + 11.0 cos 40)Newtons

= 249 J

- physics -
**BAI**, Thursday, January 8, 2015 at 1:34pmGeey

**Answer this Question**

**Related Questions**

physics - Carol and Bruno drag a box of mass 58.0 kg along a frictionless floor...

physics repost - Carol and Bruno drag a box of mass 58.0 kg along a frictionless...

Physics - Bruno drags a box with a mass of 50-kg along a frictionless floor by ...

Engineering Fund. - A large box whose mass is 19.0 kg rests on a frictionless ...

mechanics - A 2kg box sits at rest on a level floor. Two children push on the ...

Physics - A 25 kg box is along a horizontal floor and a force of 400 N pushes ...

Physics - You drag a heavy box along a rough horixontal floor by a horizontal ...

physics - A large box whose mass is 20 kg rests on a frinctionless floor. A ...

physics - Dirk pushes on a packing box with a horizontal force of 67.0 N as he ...

Physics - Dirk pushes on a packing box with a horizontal force of 67.0 N as he ...