An object is located 5.0 cm from a convex lens. the lens focuses light at a distance of 10.0 cm. what is the image distance? use the equation attached. a.-10.0 cm b.10.0 c.3.33cm d.-3.33cm

Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.

If the work required to stretch a spring 3 ft beyond its natural length is 15 ft-lb, how much work is needed to stretch it 27 in. beyond its natural length?

Acid precipitation chemically weathering a 5.0-kg limestone rock . which coukd be the result ?