Part A Calculate the work done by gravity on the watermelon during its displacement from the roof to the ground. Express your answer with the appropriate units. HÀ w- Value Units Submit Request Answer Part B Just before it strikes the ground, what is the watermelon's kinetic energy? Express your answer with the appropriate units. ? K = Value Units Submit Request Answer Part C Just before it strikes the ground, what is the watermelon's speed? Express your answer with the appropriate units. HA Value Units Submit Request Answer

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A 4.80 kg watermelon is dropped from rest from the roof of a 18.5 m-tall building and feels no appreciable air resistance.

 

 

**Part A**

Calculate the work done by gravity on the watermelon during its displacement from the roof to the ground.

Express your answer with the appropriate units.

\[ W = \] 

- **Value** (Input field)
- **Units** (Input field)

[**Submit**] [Request Answer]

---

**Part B**

Just before it strikes the ground, what is the watermelon's kinetic energy?

Express your answer with the appropriate units.

\[ K = \] 

- **Value** (Input field)
- **Units** (Input field)

[**Submit**] [Request Answer]

---

**Part C**

Just before it strikes the ground, what is the watermelon's speed?

Express your answer with the appropriate units.

\[ v = \] 

- **Value** (Input field)
- **Units** (Input field)

[**Submit**] [Request Answer]
Transcribed Image Text:**Part A** Calculate the work done by gravity on the watermelon during its displacement from the roof to the ground. Express your answer with the appropriate units. \[ W = \] - **Value** (Input field) - **Units** (Input field) [**Submit**] [Request Answer] --- **Part B** Just before it strikes the ground, what is the watermelon's kinetic energy? Express your answer with the appropriate units. \[ K = \] - **Value** (Input field) - **Units** (Input field) [**Submit**] [Request Answer] --- **Part C** Just before it strikes the ground, what is the watermelon's speed? Express your answer with the appropriate units. \[ v = \] - **Value** (Input field) - **Units** (Input field) [**Submit**] [Request Answer]
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