Choose the best answer.A mechanical pencil is about how long?
A. 0.14 km
B. 1.4 dm
C. 1.4 m
D. 1.4 cm
Answer: B
Mathematics
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Provide an appropriate response.Show that if a particle's velocity vector is always orthogonal to its acceleration vector then the particle's speed is constant.
What will be an ideal response?
Mathematics
Rationalize the denominator.
A. 
B. 
C. 
D. 
Mathematics
Determine the coordinates of the indicated point on the graph. 
C
A. (0, 2) B. (2, 1) C. (1, 2) D. (2, 0)
Mathematics
Rationalize the denominator.
A. 
- 
B. 
C. 
D. 
Mathematics