A Medieval Knight attacking w/ a Cannon

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SUMMARY

The discussion focuses on solving a physics problem involving projectile motion, specifically a cannonball fired by a Medieval knight. The cannonball is launched at a speed of 43.3 m/s at an angle of 45.7° from the horizontal. To determine the time of flight, participants emphasize the importance of analyzing horizontal and vertical motions separately, applying kinematic equations relevant to projectile motion.

PREREQUISITES
  • Understanding of basic kinematics, including projectile motion.
  • Familiarity with the equations of motion for objects under constant acceleration.
  • Knowledge of trigonometric functions to resolve components of motion.
  • Basic grasp of physics concepts such as velocity, acceleration, and time.
NEXT STEPS
  • Study the equations of motion for projectile motion in detail.
  • Learn how to decompose vectors into horizontal and vertical components.
  • Explore the concept of acceleration due to gravity and its effects on projectile trajectories.
  • Practice solving similar physics problems involving projectile motion and time of flight calculations.
USEFUL FOR

This discussion is beneficial for college students studying physics, particularly those tackling introductory kinematics and projectile motion problems. It is also useful for educators seeking to enhance their teaching strategies in physics.

dkbuono
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Anyone mind helping me strategically picking apart this word problem? I am taking physics for the first time in college and its kicking my ***, any insight on how to pick apart a problem like this and find an appropriate answer? Thank you for your time!


Assume you are a Medieval knight attacking a castle with a cannon. The ball leaves the cannon with a speed of 43.3 m/s. The barrel's angle with respect to the ground is 45.7°, and you make a perfect hit on the tyrant's chamber which is at the same level as the cannon's muzzle. What is the time of flight of the cannon ball?
 
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The 'trick' is that you can consider the horizontal and vertical motion separately.
So just consider the ball being thrown up and coming down - what acceleration do you expect, what equations do you know for a moving object.
 

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