Use the information in the following figure to calculate the density of the object. (First image)

Use the information in the picture below to determine the density of the toy koala.
(Second image)

Explain why the aperture of the spherical mirror should be small compared to the radius of curvature of the mirror.

The combining of light nuclei is called blank. blank as in not actually blank. you know what im tryin to say.

Two trains leave a station at the same time, train a travels at a constant speed of 16 m/s. train b starts at 8.0 m/s but accelerates constantly at 1.0 m/s squared. after 10.0 seconds, which train has the greater speed?