When choosing the solution to a problem the only factor to consider is whether the solution solves the problem true or false

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

Achild has maximum walking speed of 1.6 m/s. what is the length of the child's legs? 0.26 m

22. the top of a cliff is located a distance h above the ground. at a distance h/2 there is a branch that juts out from the side of the cliff, and on this branch a bird's nest is located. two children throw stones at the nest with the same initial speed, one stone straight downward from the top of the cliff and the other stone straight upward from the ground. in the absence of air resistance, which stone hits the nest in the least amount of time?