an object is located 5.0cm from a concave mirror. the focal length is 15.0cm what is the images distances? a) 3.8cm b)7.5cm c) -3.8 cm d) -7.5cm

Its D -7.5

Explanation:

The correct answer is D -7.5

Explanation:

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adding a(n) to an electric circuit would increase the magnetic field around a wire;

b. solenoid

a solenoid is a type of electromagnet whose purpose is to generate a controlled magnetic field.

if the purpose of the solenoid is instead to impede changes in the electric current, a solenoid can be more specifically classified as an inductor rather than an electromagnet.

no simpler subs form complex ones. synthesise = make