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Q1:
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Find the value of x which makes 3x2 + 6x - 4 a minimum. |
A. -7
B. -4
C. -1
D. 5 |
Answer 1:
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Q2:
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Differentiating a velocity function gives: |
A. distance
B. acceleration
C. displacement
D. gradient |
Answer 2:
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Q3:
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The maximum value of the function 3 + 4x - x2 is |
A. -2
B. 2
C. 15
D. 7 |
Answer 3:
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Q4:
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Integration of a formula for velocity gives: |
A. distance
B. acceleration
C. time
D. gradient |
Answer 4:
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Q5:
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An object is moving in a straight line. Its distance s cm from a fixed point after t seconds is given by the equation
s = t2 + 2t - 1
Calculate the velocity after 3 seconds.
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A. 4 cm/s
B. 8 cm/s
C. 12 cm/s
D. 17 cm/s |
Answer 5:
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Q6:
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An object with an acceleration of zero : |
A. has stopped
B. has constant
velocity
C. is slowing down
D. is speeding up |
Answer 6:
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Q7:
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An object is moving in a straight line. Its distance x cm from a fixed point after t seconds is given by the equation
x = t3 - 3t2 + 2t + 1
Calculate the acceleration after 2 seconds.
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A. 1 cm/s2
B. 2 cm/s2
C. 6 cm/s2
D. 12 cm/s2 |
Answer 7:
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Q8:
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What is represented by the area under a velocity/time graph? |
A. acceleration
B. time
C. velocity
D. distance |
Answer 8:
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Q9:
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What is represented by the gradient at any point on a distance/ time graph? |
A. distance
B. velocity
C. acceleration
D. time |
Answer 9:
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Q10:
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An object is moving in a straight line. Its velocity v cm/s after t seconds is given by the equation v = 4t - 1. If its distance from a fixed point after 1 second is 3 cm, find its distance after 2 seconds.
Calculate the acceleration after 2 seconds.
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A. 6 cm
B. 7 cm
C. 8 cm
D. 9 cm |
Answer 10:
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