A 3.00 kg object is moving at 5.00 m/s EAST. It strikes a 6.00 kg that is moving EAST at 2.00 m/s. The objects have a one-dimensional elastic collision in the EAST-WEST direction. The velocity of the 3.00 kg object after the collision is
A. 4.00 m/s EAST.
B. 1.00 m/s EAST.
C. 4.00 m/s WEST.
D. 1.00 m/s WEST.
E. 3.00 m/s EAST.
B. 1.00 m/s EAST.
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Saturn's largest satellite is _______________
Fill in the blank(s) with correct word
Instructions: On occasion, the notation 
= [A, ?] will be a shorthand notation for 
.
Adding vectors 
and 
by the graphical method gives the same result for 
and 
. If both additions are done graphically from the same origin, the resultant is the vector that goes from the tail of the first vector to the tip of the second vector, i.e, it is represented by a diagonal of the parallelogram formed by showing both additions in the same figure. Note that a parallelogram has 2 diagonals. Keara says that the sum of two vectors by the parallelogram method is 
. Shamu says it is 
. Both used the parallelogram method, but one used the wrong diagonal. Which one of the vector pairs below contains the original two vectors?
A.
B.
C.
D.
E.
A ceiling fan is turned on and reaches an angular speed of 60 rev/min in 20 s. It is then turned off and coasts to a stop in 40 s. In the one minute of rotation, through how many revolutions did the fan turn?
a. 30 c. 0 b. 60 d. 600
Tensile Stress and Strain: Tensile stress is
A. the strain per unit length. B. the same as force. C. the ratio of the change in length. D. applied force per cross-sectional area.