Miss Chen organized her students’ quarter grades in the box-and-whisker plot below. Use the plot to answer the following questio
ns.
What is the interquartile range of the quarter grades in Miss Chen’s class?
a. 31
b. 96
c. 11
d. 65
What is the interquartile range of the quarter grades in Miss Chen’s class?
a. 31
b. 96
c. 11
d. 65
1 answer:
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Step-by-step explanation:
We have,
Mass of ball is 9 kg
Initial speed, u = 5 m/s
Final speed, v = -2 m/s (negative as it bounces off)
(a) The change in velocity of the bowling ball is :
(b) Change of momentum of the ball is :
|p| = 630 kg-m/s
(c) Impulse momentum theorem states that the change in momentum of the ball is equal to the impulse exerted on the ball. So, impulse is 630 kg-m/s.
(d) Impulse is also given by :