Recent content by Leo34005

Like i said, I believe my answer is wrong. If someone would double check it.

I believe my answer is wrong. If someone would double check it.

Is that easy for you?

Homework Statement A physics book has a height of 26.0 cm, a width of 22.4 cm, and a thickness of 3.10 cm. (a) What is the density of the physics book if it weighs 18 N? ? kg/m3 (b) Find the pressure that the physics book exerts on a desktop when the book lies face up. ? Pa (c) Find the...

Homework Statement An object weighs 285 N in the air. When tied to a string, connected to a balance, and immersed in water, it weighs 230 N. When it is immersed in oil, it weighs 261 N. (a) Find the density of the object. (b) Find the density of the oil. Homework Equations...

Can i please have an answer so i can check if my answer is wrong or right?

Not sure, mind helping me here?

Homework Statement A charge of 2.9 nC and a charge of 5.8 nC are separated by 40.80 cm. Find the equilibrium position for a -5.0 nC charge. ? cm from the 2.9 nC charge. Homework Equations The Attempt at a Solution F = 2.9/5.8NC/ 4(40.80)

Homework Statement Homework Equations Range = v0^2 sin(2 theta)/g vy(tO=v0sin(theta) - gt The Attempt at a Solution a) the range equation is Range = v0^2 sin(2 theta)/g Range =1590^2sin(94)/9.8=247,341 m there are several ways to find the time in the air...the vertical...

I need help with this physics question help please and fast?!??!? Homework Statement What are the answers for 3 and 4b?

Please need help this is urgent

Homework Statement http://i214.photobucket.com/albums/cc4/twinkie34005/untitled-10.jpg http://i214.photobucket.com/albums/cc4/twinkie34005/untitled-11.jpg Free fall problems, help please Homework Equations V = vi + a*t = .9+9.8*3.2 = 32.26 m/s Y = vi*t + ½gt² = 53.056 m...

Dont know anything. Would you mind?

Its a freefall question regarding physics

Homework Statement A tennis ball is shot vertically upward in an evacuated chamber(neglect air resistance) with an initial speed of 20m/s at time t=0s. How high does the ball rise? A)98.0m B)72.4m C)20.4m D)10.2m E)40.8m Approximately how long does it take the tennis ball to...