Calculate Firework Speed Using Quadratic Equations

Calculate Firework Speed Using Quadratic Equations

Assessment

Interactive Video

Physics

9th - 10th Grade

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial explains how to write and solve quadratic equations using the vertical motion model. It covers the components of the model, common misunderstandings, and provides a detailed example involving a dragon firework. The tutorial walks through solving the quadratic equation step-by-step, verifying the solution, and interpreting the results.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the 'v' represent in the vertical motion model equation?

Initial velocity in feet per second

Height in feet

Time in seconds

Initial height in feet

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the context of vertical motion, what is a common misunderstanding when interpreting graphs?

The graph represents the color of the object.

The graph shows the speed of the object.

The graph indicates the weight of the object.

The graph measures the distance traveled on the x-axis.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the initial height of the dragon firework in the example problem?

0 feet

4 feet

160 feet

404 feet

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the quadratic equation simplified in the example problem?

By adding 16 to each term

By subtracting 16 from each term

By dividing each term by 16

By multiplying each term by 16

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the solution for 't' in the quadratic equation for the firework problem?

3 seconds

4 seconds

5 seconds

6 seconds

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the solution 't = 5' represent in the context of the firework problem?

The firework explodes after 5 minutes.

The firework reaches its maximum height in 5 seconds.

The firework has an initial velocity of 5 feet per second.

The firework travels 5 feet.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the maximum height reached by the dragon firework?

160 feet

200 feet

404 feet

500 feet