What results from splitting an atomic nucleus? 2 atoms identical to the original atom are formed 2 new atoms different from the original atom are formed 2 atoms are chemically joined 1 new atom different from the original is formed

Acompound machine is also called a machine. a. force b. simple c. complex d. directional

If a rock is thrown upward on the planet mars with a velocity of 12 m/s, its height (in meters) after t seconds is given by h = 12t − 1.86t2. (a) find the velocity of the rock after two seconds. m/s (b) find the velocity of the rock when t = a. 12−3.72a m/s (c) when will the rock hit the surface? (round your answer to one decimal place.) t = s (d) with what velocity will the rock hit the surface? m/s

Could we see a galaxy that is 20 billion light-years away?