
College Physics
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Can you please answer this question and all of the sub problems and show all of the work

Transcribed Image Text:### Problem 6: Vertical Projectile Motion
A projectile was launched vertically upward with an initial speed of 30.0 m/s from the ground. The following queries should be addressed:
#### a. Find the maximum height of the projectile.
#### b. Find its position 2 seconds later.
#### c. Determine when the speed of the projectile is \( V = -30 \, \mathrm{m/s} \).
#### Relevant Equations:
1. \( v_f - v_i = -gt \)
2. \( y = v_i t - \frac{1}{2} g t^2 \)
Where:
- \( v_f \) is the final velocity
- \( v_i \) is the initial velocity
- \( g \) is the acceleration due to gravity (approximately 9.8 m/s²)
- \( t \) is the time
- \( y \) is the displacement
#### Calculations:
**a. Maximum Height**
- At maximum height, the final velocity \( v_f = 0 \).
**b. Position 2 Seconds Later**
- Use the second equation to find the displacement at \( t = 2 \) seconds.
**c. Speed of the Projectile When \( V = -30 \, \mathrm{m/s} \)**
- Use the first equation to solve for \( t \).
These steps provide a comprehensive method to analyze the motion of a projectile launched vertically.
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