A lens with f=20.0 cm creates a virtual image at -37.5 cm (in front of the lens). The object is 4.44 cm tall. How tall is the image? cm

An equinox occurs when a. neither end of earth's axis is tilted toward or away from the sun. b. the north end of earth's axis is tilted away from the sun. c. the north end of earth's axis is tilted toward the sun. d. earth's axis is parallel to the sun's rays. select the best answer from the choices provided a b c d

Asmall 21 kilogram canoe is floating downriver at a speed of 1 m/s. what is the canoe's kinetic energy?

In an experiment, how can i change human errors? be specific.