A taxicab moves five blocks due north, five blocks due east, and another three blocks due north. Assume all blocks are of equal size. How far is the taxi from its starting point?
a. 13 blocks b. 9.4 blocks
c. 9.2 blocks d. 8.6 blocks
[Ques. 2] Of vectors with lengths 5 m, 3 m, and 4 m, which has the greatest magnitude x component?
a. the one with length 5 m b. the one with length 3 m
c. the one with length 4 m d. It could be any of the three.
[Ques. 3] Two ships set sail from the same port. Ship A sails a distance of 35.0 kilometers in a direction 30.0 north of east, and drops anchor. Ship B sails due south. When ship B is 30.0 km from the port, how far apart are the ships?
a. 46.1 km
b. 56.3 km
c. 65.0 km
d. 75.9 km
[Ques. 4] When three vectors are added graphically and form a closed triangle, the largest enclosed angle between any two of the vectors cannot be greater than
a. 60.
b. 90.
c. 180.
d. No maximum exists.
[Ques. 5] When we add a displacement vector to another displacement vector, the result is
a. a velocity.
b. an acceleration.
c. another displacement.
d. a scalar.
[Ques. 6] When we subtract a velocity vector from another velocity vector, the result is
a. another velocity.
b. an acceleration.
c. a displacement.
d. a scalar.
[Ques. 7] Which of the following is an example of a vector quantity?
a. velocity
b. temperature
c. volume
d. mass
[Ques. 8] Which type of quantity is characterized by both magnitude and direction?
a. scalar
b. vector
c. trigonometric
d. algebraic variable
[Ques. 9] Which of the following is not a vector quantity?
a. mass
b. acceleration
c. displacement
d. velocity
[Ques. 10] A high fountain of water is in the center of a circular pool of water. You walk the circumference of the pool and measure it to be 190 meters. You then stand at the edge of the pool and use a protractor to gauge the angle of elevation of the top of the fountain. It is 55. How high is the fountain?
a. 25 m
b. 53 m
c. 86 m
d. 43 m
e. 48 m
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