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