Using lens equation;
1/o + 1/i = 1/f; where o = Object distance, i = image distance (normally negative), f = focal length (normally negative)
Substituting;
1/o + 1/-30 = 1/-43 => 1/o = -1/43 + 1/30 = 0.01 => o = 1/0.01 = 99.23 cm
Therefore, the object should be place 99.23 cm from the lens.
I believe that the answer is B. 133 N
I believe it is water that is the medium for beach erosion
Answer:
Neutrally charged!!!!!!!!!!!!!!!!!!!!!
Explanation:
A lab cart is loaded with different masses and moved at various constant velocities? the anser should be
1.0m/s → 4kg
