Projectile Probs: Hobby Rocket Launch Angle & Speed

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SUMMARY

The discussion focuses on calculating the launch angle and speed of a hobby rocket based on its maximum height of 72.3 meters and horizontal range of 111 meters. The key formulas involved include the relationships between launch angle θ, height h, and range R in projectile motion. Participants are encouraged to share their attempts to solve the problem to receive targeted assistance. The conversation emphasizes the importance of understanding the physics of projectile motion for accurate calculations.

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gamacmua
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Ina projectile motion, if we measure the maximum
height h and horizontal range R
(1) How to get launch angle θin terms of h and R
(2) A hobby rocket reaches a height of 72.3 m and lands 111 m from the launch point.
What is the angle of launch?
What is the launch speed?


I already did part 1. Can you provide me help with part 2. Thanks
 
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Welcome to PF!

gamacmua said:
(2) A hobby rocket reaches a height of 72.3 m and lands 111 m from the launch point.
What is the angle of launch?
What is the launch speed?

Hi gamacmua! Welcome to PF! :smile:

Show us what you've tried, and where you're stuck, and then we'll know how to help. :smile:
 

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