A 2 000-kg sailboat experiences an eastward force of 3 000 N by the ocean tide and a wind force against its sails of magnitude 6 000 N directed toward the northwest (45° N of W). What is the magnitude and direction of the resultant acceleration?
2.2 m/s2 at 74° N of W
You might also like to view...
As the Moon grows fatter from new to full, it is said to wax
Indicate whether the statement is true or false
The presence of gases such as carbon dioxide and water vapor in a planet's atmosphere is direct evidence of _________ in a planet's history.
a. high surface temperatures b. volcanic activity c. cometary impacts d. a lack of asteroid impacts e. the greenhouse effect
What is the eventual fate of a brown dwarf?
A) It remains the same forever. B) It gradually cools down and becomes ever dimmer. C) It gradually contracts and heats up until nuclear fusion ignites in its interior and it becomes a faint star. D) It becomes ever denser and hotter until it becomes a white dwarf. E) Gravity ultimately "wins" and it becomes a small black hole.
A hockey puck traveling at speed v on essentially frictionless ice collides elastically with one end of a straight stick lying flat on the ice. In this collision
a. momentum is conserved. b. angular momentum is conserved. c. energy is conserved. d. all of the above are conserved. e. only momentum and angular momentum are conserved.