Recent content by bwilhelm

Thank you for the reply, i'll try this out tomorrow.

Homework Statement Two point charges are placed on the y-axis. One is +3.0 C and located at position (0, 2 m), the other is -2.0 C and located at the origin. Use the diagram to find the magnitude and direction of the electric field and the force on a +1.0 x 10-9 C test charge placed in the...

Homework Statement I am trying to calculate a percent of error in a conservation of energy lab, and for some reason I am completely drawing a blank. Just so you know what I am looking at, I have about 10 values or so in 3 columns labeled KE, PE, E. E is KE + PE Homework...

Thank you all very much!

This one is giving me a headache. Pretty sure i am wrong somewhere. Did I add the vectors right? Homework Statement Vector A is 100 units at 30 degrees. Vector B is 200 units at 140 degrees. Find the vector sum R: R=A=B Homework Equations The Attempt at a Solution So...

Am I anywhere near correct? Homework Statement A ball is thrown and upward and reaches it's maximum height in 1.80 sec. A. Find Initial Velocity B. Find Max Height Reaced C. Find Velocity 1.15 sec after being thrown. Homework Equations The Attempt at a Solution A...

1. A plane traveling at 10km/hr lands on an aircraft carrier and stops in 25.0m A. Find the acceleration in m/s^2 B. Find the time it took to stop in seconds Homework Equations 1km/hr = .278 m/s The Attempt at a Solution 100(.278)= 27.8 m/s A. 25-27.8 = 2.8 m/s B. 8.92 seconds...

Homework Statement I am having some trouble with this one, Suppose an atomic bomb was exploded in a box that was strong enough to contain all the energy released by the bomb. After the explosion the box would weigh: a) more than before the explosion b) less than before c) no change...