Unit: Energy
Year: 1989 Question#: 3
Question: Base your answer to the question below on the diagram which represents a block sliding along a frictionless surgace from A to G.
Which expression represents the magnitude of the block's acceleration as it moves from point C to point D?
(1 ) m/F
(2 )
v/
t(3 ) m
v(4 ) 2
s/
tWhat is this question really asking?
Explanation by: Anna R
[ Return to question menu ]
Answer 1
m/F
INCORRECT
Acceleration equals the rate of change of its velocity.
return to top
Answer 2
v/
tCORRECT
Acceleration equals the rate of change of its velocity.
return to top Answer 3
m
vINCORRECT
Acceleration equals the rate of change of its velocity, the answer 3 formula equals the change of momentum of an object.
return to top Answer 4
2
s/
tINCORRECT
Acceleration equals the rate of change of its velocity.
return to top What's this question really asking?
The formula for change of velocity of an object, (acceleration.) return to top
