Saturday

August 23, 2014

August 23, 2014

Posted by **maura** on Sunday, November 4, 2012 at 9:30pm.

and 69 kg are located at the vertices of an equilateral triangle of sides 7 m.

A)Find the x-coordinate of the center of gravity of this system with respect to a coordinate system with origin at the 14 kg particle and with the 21 kg particle located on the positive y-axis. Answer in units of m

B)Find the y-coordinate of the center of gravity. Units of m

- physics -
**Elena**, Monday, November 5, 2012 at 2:01pmx3=7•cos30=6.06 m, y3=7/2 =3.5 m.

x=(m1•x1+m2•x2+m3•x3)/(m1+m2+m3) = =0+0+69•6.06/104 =4.022 m.

y=( m1•y1+m2•y2+m3•y3)/(m1+m2+m3) = =0+21•7+69•3.5/104 =3.74 m.

**Related Questions**

Physics - Two masses m are attached to two vertices of an equilateral triangle ...

Physics - Three negative charges with charge -q occupy the vertices of an ...

geometry - Rewrite the statement in if-then form. All equilateral triangles have...

college physics - Three negative charges with charge -q occupy the vertices of ...

Physics pls anyone can help me? its urgent - Three negative charges with charge...

Calc HELP! - an equilateral triangle is one in with all three sides are length. ...

Math - An equilateral triangle is one in with all three sides are length. If two...

physics - A system consists of three particles, each of mass 2.10 g, located at ...

Physics help please! - The three 500 g masses in the daigram are connected by ...

Physics - The three 500 g masses in the daigram are connected by massless, rigid...