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Lab Report - Bryce Kinetic Energy

Bryce Kinetic Energy

Subject

Physical Science

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Edgenuity Virtual Academy - Scottsdale

Academic year: 2023/2024

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Kinetic Energy

Purpose

To explore the relationship between mass, speed, and kinetic energy using a laboratory

procedure.

Hypothesis

Hypothesis for part

If the mass of an object increases, its kinetic energy will increase proportionally. This is because

mass and kinetic energy have a direct relationship when graphed.

Hypothesis for part #for part 2

If an object’s speed increases, its kinetic energy will increase proportionally. This is because

speed and kinetic energy have a linear relationship when graphed.

Variables

PART I: Changing Mass to Affect Kinetic Energy

Independent Variable: mass of the soda bottle and the liquid it contains

Dependent Variable: kinetic energy of the beanbag

PART II: Changing Speed to Affect Kinetic Energy

Independent Variable: speed of the soda bottle

Dependent Variable: kinetic energy of the beanbag

Controlled variables:

Height of the water bottle, position of fulcrum, amount of water.

Materials

 2 or 3 meter sticks

 Mass balance

 Packing tape, clear plastic

 Graduated cylinder

 2” diameter cylinder (wooden or plastic)

 Wooden board ¼” x 2” x 2’ (about 61 cm long)

 Plastic soda bottle, 1 L

 Water

 Funnel

 Beanbag, 125 g

 Marker

 Metric tape measure

Procedure

Procedure as per lab manual/directions.

Data

Table A. Predictions of Kinetic Energy and Resulting Beanbag Height for Varying Masses

Mass

(kg)

Velocity

(m/s)

Kinetic Energy

(kg∙m 2 /s 2 )

Height of Beanbag

(m)

Average Height of Beanbag

(m)

0.

5 4 m/s 1

0. 0 0.

0.

0 4 m/s 2

0. 0 0.

0.

5 4 m/s 3

1. 1 1.

1.

0.

0 4 m/s 4

1. 1 1.

1. Observations

When the bottle’s mass increases, the height of the bean bag increases.

Table B. Predictions of Kinetic Energy and Resulting Beanbag Height for Varying Speed

Velocity

of Bottle

(m/s 2 )

Mass of

Bottle

(kg)

Height to

Drop Bottle

(m)

Estimated

Kinetic Energy

(kg∙m 2 /s 2 )

Height of

Beanbag

(m)

Average

Height of

Beanbag

(m)

of 0 m with a kinetic energy of 0. Now we move our attention to the row below where the

mass of the bottle has doubled (0 kg) and the drop height increased to 0 m. So, the

velocity of the bottle increases to 3 , and the kinetic energy increases to 1. Resulting in the height

of the bean bag launched increasing to 0 m.

Conclusion

In exploring the relationship between mass, speed, and kinetic energy using a laboratory procedure.

I have learned that velocity, mass, kinetic energy, and time are all deeply interconnected.

PART 1: When the height of the bottle increases the speed also increases thus increasing kinetic

energy which results in the height of the beanbag launched also increases.

PART 2: When the bottle’s mass increases, the height of the bean bag increases.

the KE increased proportionally to the square of the velocity.

Hypothesis for part #1: If the mass of an object increases, then its kinetic energy will increase

proportionally because mass and kinetic energy have a linear relationship when graphed.

Hypothesis for part #2: If the speed of an object increases, then its kinetic energy will increase

proportionally because speed and kinetic energy have a linear relationship when graphed.

The hypothesis for part one was supported.

The hypothesis for part two was not supported.

Questions

How do mass and speed affect kinetic energy?

The data in Part 1 and Part 2 of the charts demonstrate that as mass increases, the kinetic energy

(KE) also increases. This is evident from the increase in the height of the beanbag launched in

Table A and Table B. Therefore, it can be concluded that as mass increases, its KE will also

increase.

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Lab Report - Bryce Kinetic Energy

Subject: Physical Science

999+ Documents

Students shared 1144 documents in this course

Level:

Standard

Was this document helpful?

Kinetic Energy

Purpose

To explore the relationship between mass, speed, and kinetic energy using a laboratory

procedure.

Hypothesis

Hypothesis for part #1

If the mass of an object increases, its kinetic energy will increase proportionally. This is because

mass and kinetic energy have a direct relationship when graphed.

Hypothesis for part #for part 2

If an object’s speed increases, its kinetic energy will increase proportionally. This is because

speed and kinetic energy have a linear relationship when graphed.

Variables

PART I: Changing Mass to Affect Kinetic Energy

Independent Variable: mass of the soda bottle and the liquid it contains

Dependent Variable: kinetic energy of the beanbag

PART II: Changing Speed to Affect Kinetic Energy

Independent Variable: speed of the soda bottle

Dependent Variable: kinetic energy of the beanbag

Controlled variables:

Height of the water bottle, position of fulcrum, amount of water.

Materials

2 or 3 meter sticks

Mass balance

Packing tape, clear plastic

Graduated cylinder

2” diameter cylinder (wooden or plastic)

Wooden board ¼” x 2” x 2’ (about 61 cm long)

Plastic soda bottle, 1 L

Water

Funnel

Beanbag, 125 g

Marker

Metric tape measure

Procedure

Procedure as per lab manual/directions.

Lab Report - Bryce Kinetic Energy

Physical Science

Standard

Edgenuity Virtual Academy - Scottsdale

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Preview text

Kinetic Energy

Purpose

To explore the relationship between mass, speed, and kinetic energy using a laboratory

procedure.

Hypothesis

Hypothesis for part

If the mass of an object increases, its kinetic energy will increase proportionally. This is because

mass and kinetic energy have a direct relationship when graphed.

Hypothesis for part #for part 2

If an object’s speed increases, its kinetic energy will increase proportionally. This is because

speed and kinetic energy have a linear relationship when graphed.

Variables

PART I: Changing Mass to Affect Kinetic Energy

Independent Variable: mass of the soda bottle and the liquid it contains

Dependent Variable: kinetic energy of the beanbag

PART II: Changing Speed to Affect Kinetic Energy

Independent Variable: speed of the soda bottle

Dependent Variable: kinetic energy of the beanbag

Controlled variables:

Height of the water bottle, position of fulcrum, amount of water.

Materials

 2 or 3 meter sticks

 Mass balance

 Packing tape, clear plastic

 Graduated cylinder

 2” diameter cylinder (wooden or plastic)

 Wooden board ¼” x 2” x 2’ (about 61 cm long)

 Plastic soda bottle, 1 L

 Water

 Funnel

 Beanbag, 125 g

 Marker

 Metric tape measure

Procedure

Procedure as per lab manual/directions.

Data

Table A. Predictions of Kinetic Energy and Resulting Beanbag Height for Varying Masses

Mass

(kg)

Velocity

(m/s)

Kinetic Energy

(kg∙m 2 /s 2 )

Height of Beanbag

(m)

Average Height of Beanbag

(m)

0.

5

4 m/s 1

0.

0 0.

0.

0.

0

4 m/s 2

0.

0 0.

0.

0.

5

4 m/s 3

1.

1 1.

1.

0.

0

4 m/s 4

1.

1 1.

1.