A 35 steel ball is held by a ceiling-mounted electromagnet 3.2 m above the floor. A compressed- air cannon sits on the floor, 5.0 m to one side of the point directly under the ball. When a button is pressed, the ball drops and, simultaneously, the cannon fires a 25 g plastic ball. The two balls collide 1.2 m above the floor. ▼ Part A What was the launch speed of the plastic ball? Express your answer with the appropriate units. Vop=7.8 Submit m/s Previous Answers Request Answer ? X Incorrect; Try Again; 4 attempts remaining

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### Projectile Motion - Attempt 1

#### Item 23

**Problem Statement:**
A 35 g steel ball is held by a ceiling-mounted electromagnet 3.2 m above the floor. A compressed-air cannon sits on the floor, 5.0 m to one side of the point directly under the ball. When a button is pressed, the ball drops and, simultaneously, the cannon fires a 25 g plastic ball. The two balls collide 1.2 m above the floor. 

**Part A:**
**Question:** 
What was the launch speed of the plastic ball?

**Instructions:**
Express your answer using the appropriate units.

**Answer Input Box:**
- User entered value: \( v_{0p} = 7.8 \, \text{m/s} \) 
- Incorrect Feedback: Try Again; 4 attempts remaining.

**Submit Button:** To submit the answer.

**Additional Options:**
- **Previous Answers:** To review previously submitted answers.
- **Request Answer:** Option to ask for the correct answer.

**Feedback Section:**
An option to provide feedback.

**Navigation:**
"Next" button to proceed to the next item.

**Explanation of the Diagrams:**
There are no graphs or diagrams provided in the problem statement to explain.
Transcribed Image Text:### Projectile Motion - Attempt 1 #### Item 23 **Problem Statement:** A 35 g steel ball is held by a ceiling-mounted electromagnet 3.2 m above the floor. A compressed-air cannon sits on the floor, 5.0 m to one side of the point directly under the ball. When a button is pressed, the ball drops and, simultaneously, the cannon fires a 25 g plastic ball. The two balls collide 1.2 m above the floor. **Part A:** **Question:** What was the launch speed of the plastic ball? **Instructions:** Express your answer using the appropriate units. **Answer Input Box:** - User entered value: \( v_{0p} = 7.8 \, \text{m/s} \) - Incorrect Feedback: Try Again; 4 attempts remaining. **Submit Button:** To submit the answer. **Additional Options:** - **Previous Answers:** To review previously submitted answers. - **Request Answer:** Option to ask for the correct answer. **Feedback Section:** An option to provide feedback. **Navigation:** "Next" button to proceed to the next item. **Explanation of the Diagrams:** There are no graphs or diagrams provided in the problem statement to explain.
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