Components: The components of vectors 
and 
are given as follows: Bx = -9.2 Cx = -4.5 By = -6.1 Cy = 4.3The angle (less than 180°) between vectors 
and 
is closest to
A. 77°.
B. 103°.
C. 10°.
D. 170°.
E. 84°.
Answer: A
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Uranus rotates _______________ degrees from the _______________ to its orbit
Fill in the blank(s) with correct word
The ecliptic can be defined as
a. the plane that is perpendicular to the Earth's axis of rotation. b. the projection of the Earth's equator onto the sky. c. the path traced out by the Moon in our sky in one month against the background stars. d. the path traced out by the Sun in our sky over one year against the background stars.
Do the Moon and Mercury have an atmosphere?
a. No, they entirely lost their atmospheres early on in their formation. b. Yes, they are very low-density atmospheres though. c. Yes, they have an atmosphere just like other terrestrial planets.
An object is being acted upon by three forces and moves with a constant velocity. One force is 60.0 N along the x-axis, the second is 75.0 N along the y-axis. What is the magnitude of the third force?
A) 135 N B) 15.0 N C) 48.0 N D) 67.5 N E) 96.0 N