Acar travels 60.0 miles per hour. what is its velocity in m/s? (1 km = 0.621 mi). a] 0.01 m/s. b] 0.03 m/s. c] 9.66 m/s. d] 26.8 m/s

12. ritu obtained a distinct image of a distant tree on the screen with the of a concave mirror.to find the focal length of the mirror she has to measure the distance between: (a) mirror and the tree. (b) screen and the tree.(c) mirror and the screen. (d) mirror and tree as well as between screen and the tree.