The rocket generates 8.0 N of thrust. Alice orients the. puck so that the rocket's nose points in the positive y-direction, then pushes the puck across frictionless ice in the positive x-. direction with a speed of 2.0 m/s. The rocket fires at the exact. instant the puck crosses the origin.
Where Donald Trump and Hillary Clinton stand on social issues. Domestic policy issues typically open large fault lines between candidates though in this respect, as in many others, this election is unusual. To Read the Full Story, Subscribe or Sign In.
Not a savior. Why Scott Pruitt, President Trump's E.P.A. chief, confounds both sides. Plus: How the federal battles over climate change feel to one coal miner. Guests: Coral Davenport, who covers energy and the environment for The New York Times; Mark Gray, who spent 38 years working in the coal mines of Kentucky.