Recent content by esmmajor

Why do I need to dot the vector? Is this correct? @ t=1, a point on the line l1=(9,-8,2) (x-9,y+8,z-2) (dot) (-3,-4,7)=-3(x-9)-4(y+8)+7(z-2)=0

1. Find the equation of the plane containing the line (x,y,z)=(5+4t, -5-3t,2) and perpendicular to the line (x,y,z)=(2-3t,3-4t,5+7t). Homework Equations Cross product? Dot product? Ax+By+Cz=D? The Attempt at a Solution I'm really new with this material and any aid would be...

yes it is. thank you :) was overthinking it.

U=1/2Q*V gives me a charge. but I need the magnitude of charge on each conductor. Is this the correct value?

Homework Statement A cylindrical air capacitor with a length of 12.2 m stores an amount of energy equal to 3.00E-8 J when the potential difference between the conductors is 4 V. Calculate the magnitude of the charge on each conductor. Homework Equations...

1. Problem Statement: A fixed cannon is to fire a projectile at a tank moving toward the cannon at 40 mph. If the cannon is to fire at the moment the tank is 8 miles from the cannon, and the muzzle speed of the projectile is 1000 mph what is the correct equation to determine the firing angle?2...