The velocity of a boat with respect to the water is 4.0 m/s at an angle of 30.0 degrees NORTH of WEST. The velocity of the water with respect to the ground is 8.0 m/s at an angle of 45 degrees SOUTH of EAST. What is the velocity of the boat with respect to the ground?
A. 4.7 m/s at 32 degrees SOUTH of WEST
B. 4.3 m/s at 59 degrees SOUTH of EAST
C. 8.3 m/s at 22 degrees SOUTH of WEST
D. 9.8 m/s at 330 degrees SOUTH of EAST
E. 8.3 m/s at 25 degrees SOUTH of WEST
B. 4.3 m/s at 59 degrees SOUTH of EAST
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Fill in the blank(s) with correct word
If the mass of an object were doubled while its volume remained the same, its density would
A) be half. B) double. C) stay the same. D) be four times as great.
In a single-slit diffraction experiment, the angular width of the central maximum is 0.16°. The width of the slit is then doubled as is the distance to the screen. What is the resulting angular width of the central maximum?
a. 0.64° c. 0.32° b. 0.080° d. 0.16°
The percentage of solar radiation absorbed versus the relative amount reflected by a surface is known as the surface's ______.
Fill in the blank(s) with the appropriate word(s).