Q1. How numerous years would it take a thermally insulated one-million-kilogram chuck of granite to undergo a 1000k boost in temperature?
Q2. A motorist drives south at 28.0 m/s for 3.00 min, then turns west and travels at 25.0 m/s for 3.00 min, and finally travels northwest at 30.0 m/s for 1.00 min. For this 7.00 min trip, locate the next values.
(a) Total vector displacement
m (magnitude) ° south of west
(b) Average speed
(c) Average velocity
m/s (magnitude) south of west