Addition by Components: Vector 
has magnitude 2 units and is directed to the north. Vector 
has magnitude 5 units and is directed to the south. Calculate the magnitude and direction of 
- 
.
A. 7 units, north
B. 7 units, south
C. 3 units, north
D. 3 units, south
Answer: A
You might also like to view...
To what radius would the Sun have to be condensed in order for it to become a black hole? The mass of the Sun is 1.99 × 1030 kg and G = 6.67 × 10-11 Nm2/kg2
A) 2950 m B) 1470 m C) 6.96 × 108 m D) 2.66 × 106 m E) 3.72 × 104 m
A ball rolls over the edge of a table with a horizontal velocity v m/s. The height of the table is 1.6 m and the horizontal range of the ball from the base of the table is 20 m
What is the horizontal velocity of the ball just before it touches the ground? A) 35 m/s B) 9.8 m/s C) 20 m/s D) 4.9 m/s E) 70 m/s
To which group of polymers does Dacron belong?
a. Natural b. Hydrolytic c. Addition d. Condensation
Consider the use of the terms "rotation" and "revolution". In physics:
a. the words are used interchangeably. b. the words are used interchangeably but "rotation" is the preferred word. c. the words have different meaning. d. "rotation" is the correct word, and "revolution" should not be used.