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My report on "Intro to Modeling/MW"
My report on "Intro to Modeling/MW"
Student name: kayla perrin
Teacher name: carbonec
School: Glastonbury High School
Date: Mon Nov 19 08:41:31 EST 2007
Page 1 : http://mw2.concord.org/public/part2/intromodeling/page1.cml
1. Which of the following are other factors that might affect the motion of the ball, so they should be considered or calculated by the computer model (check ALL that apply):
(a) the speed of the ball
(b) the friction between the ball and its environment
(c) the elasticity or (bounciness) of the ball
(d) the position of the ball at any particular time
(e) the color of the ball
(f) the effect of gravity
(g) the angle the ball will bounce off of when colliding with other objects
My answer is NOT ANSWERED.
Page 2 : http://mw2.concord.org/public/part2/intromodeling/page2.cml
Page 3 : http://mw2.concord.org/public/part2/intromodeling/page3.cml
1. What can you tell about the velocity of the ball by watching the arrow attached to it?
first it bounces high, then bounces low and as it loses engery the hieght of its bounce decreases too. so when it completely loses energy the boll just rolls instead of bouncing
2. How does the color of the ball correspond with the graph of kinetic energy on the right? hint
At first, on the graph it shows a high amount of kinectice energy corresponding with it's first bounce and then by the 5th bounce, the kinetice engery decreases and soon it has no more kinetic energy when it's rolling
Page 4 : http://mw2.concord.org/public/part2/intromodeling/page4.cml
1. PEAK of bounce.
the ball at it's high peak
2. MIDDLE of bounce.
it starts to hit the ground
3. BOTTOM of bounce.
it finally hits the ground
4. When does the ball have the MOST kinetic energy?
(a) at the peak of a bounce
(b) in the middle of a bounce
(c) near the bottom of a bounce
My answer is (c)
5. When does the ball have the LEAST kinetic energy?
(a) at the peak of a bounce
(b) in the middle of a bounce
(c) near the bottom of a bounce
My answer is (a)
Page 5 : http://mw2.concord.org/public/part2/intromodeling/page5.cml
1. What is similar and what is different about the way the ball bounces on Earth and on the Moon?
even with the same amount of elasticity, the ball didn't bounce at all on the moon. On the moon, the ball has a less amount of kinetic energy maybe because there is no air friction and a less amount of gravitational field on the moon too.
Page 6 : http://mw2.concord.org/public/part2/intromodeling/page6.cml
1. The kinetic energy of atoms:
(a) slowly decreases
(b) stays the same
(c) changes randomly
(d) slowly increases
My answer is (b)
2. Gravity affects atoms in the following way:
(a) gravity seems to make atoms fall
(b) gravity seems to make atoms rise
(c) gravity seems to have no effect
My answer is (c)
Page 7 : http://mw2.concord.org/public/part2/intromodeling/page7.cml
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