a lunar lander is descending slowly on the surface of the moon. the engine is cut-off when the lander is 5.0 m above the moon's surface and has a downward speed of 0.8 m/s. what is the speed of the lander just before it touches the moon's surface? acceleration due to gravity on the moon is 1.6 m/s2.

Keep your choice of a major there is probably no single correct choice. a ) to yourself. b) in perspective. c) based solely on the expectations of others. d) all of the answer choices are correct.

If your not fit to drive you have a responsibility to

Which of the following ideas did greek philosopher democritus contribute to the atomic theory? a. each object is made up of one atom, which varies in size from very small to very large. b. matter is composed of only one kind of particle, which can be easily destroyed. c. every element has a specific type of atom, which remains the same size in all forms of matter. d. all matter is composed of small particles, which combine to make larger objects.