Homework Help: physics

Posted by Anonymous on Saturday, March 3, 2012 at 8:58pm.

If two lamps with 15 cd and 35 cd are separated by 8.5, at what point would the light produced by both lamps be equal?

physics - bobpursley, Saturday, March 3, 2012 at 9:18pm
15/x^2=35/(8.5-x)^2

solve for distance x from the 15cd source.

Related Questions

Physics - A compact disc spins at 2.8 revolutions per second. An ant is walking ...
physics - A compact disc spins at 2.3 revolutions per second. An ant is walking ...
physics - A compact disc spins at 2.8 revolutions per second. An ant is walking ...
Physics - A compact disc spins at 2.7 revolutions per second. An ant is walking ...
physics - A compact disc spins at 2.7 revolutions per second. An ant is walking ...
Chemistry - A substance (CD) decomposes into C and D At the temperature of the ...
math - On a pool table, where along the potion of CD of the railing should you ...
Chemistry`` - A substance (CD) decomposes into C and D. CD(g) &#...
Physics - A CD (radius 6.0 cm) is spinning freely with an angular velocity of ...
phy - How much work is done by the motor in a CD player to make a CD spin, ...

For Further Reading

First Name:
School Subject:
Answer: