What is the cosine of 45°?
A)
0.7
B)
0.71
C)
0.707
D)
0.7071
E)
0.70710
B
You might also like to view...
A 3.0-kg block slides on a frictionless 20° inclined plane. A force of 16 N acting parallel to the incline and up the incline is applied to the block. What is the acceleration of the block?
a. 2.0 m/s2 down the incline b. 5.3 m/s2 up the incline c. 2.0 m/s2 up the incline d. 3.9 m/s2 down the incline e. 3.9 m/s2 up the incline
The deepest and most powerful earthquakes occur at ___________.
A) Mid-ocean ridges B) Continental rifts C) Subduction zones D) Transform faults
One of the most unexpected aspects of Mars' atmosphere is:
A) that it is 95% carbon dioxide. B) that its troposphere changes altitude. C) that it is cloudless. D) that it contains water vapor clouds. E) that it has such a low density.
If a battleship sinks in a canal lock, the water level in the lock
A) rises. B) falls. C) remains unchanged.