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How to find initial value on a table without it being given


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1.Directions: You are part of a fireworks crew assembling a local fireworks display. There are two parts to the fireworks platforms: ...

rts to the fireworks platforms: one part is on the ground and the other part is on top of a building. You are going to graph all of your results on one coordinate plane. Make sure to label each graph with its equation. Use the following equations to assist with this assignment. • The function for objects dropped from a height where t is the time in seconds, h is the height in feet at time it t, and 0 h is the initial height is 2 0 ht t h ( ) 16 =− + . • The function for objects that are launched where t is the time in seconds, h is the height in feet at time t, 0 h is the initial height, and 0 v is the initial velocity in feet per second is 2 0 0 ht t vt h ( ) 16 =− + + . Select the link below to access centimeter grid paper for your portfolio. Centimeter Grid Paper Task 1 First, conduct some research to help you with later portions of this portfolio assessment. • Find a local building and estimate its height. How tall do you think the building is? • Use the Internet to find some initial velocities for different types of fireworks. What are some of the initial velocities that you found? Task 2 Respond to the following items. 1. While setting up a fireworks display, you have a tool at the top of the building and need to drop it to a coworker below. a. How long will it take the tool to fall to the ground? (Hint: use the first equation that you were given above, 2 0 ht t h ( ) 16 =− + . For the building’s height, use the height of the building that you estimated in Task 1.) b. Draw a graph that represents the path of this tool falling to the ground. Be sure to label your axes with a title and a scale. Your graph should show the height of the tool, h, after t seconds have passed. Label this line “Tool”.
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4.Mary wants to throw a can straight up into the air and then hit it with a second can. She ...

collision to occur at height h = 5.0 m above the throw point. In addition, she knows that she needs t1 = 4.0 s between successive throws. Assume that she throws both cans with the same speed. Take g to be 9.81 m/s2. (a) How long it takes (in seconds) after the first can has been thrown into the air for the two cans to collide? Answer to 4 significant figures. (b) Find the initial speed of the cans (in meters/second) to 4 significant figures.
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5.I have this inquiry project in class on momentum and for our project we shot a nerf gun bullet aiming ...

g at the side of a CD suspendind by one String. When the bullet coillided it caused the CD to spin(twiiirl) and swing up a certain height. When we did our calculations we didnt include Rotational KE into play and now im stuck on how exactly i am to find the initial veloctity of the nerf gun dart before it collides with the CD
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1.AU MAT 120 Systems of Linear Equations and Inequalities Discussion

mathematicsalgebra Physics