Change of Momentum of 4.5 kg Object at 53° Angle

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SUMMARY

The change in momentum of a 4.5 kg object projected at a 53° angle and hitting the ground after 3.6 seconds can be calculated using the formula P = mv. To find the final velocity, kinematic equations must be applied, considering the time of flight and the angle of projection. The absence of air resistance simplifies the calculations, allowing for a direct application of physics principles to determine momentum change.

PREREQUISITES
  • Understanding of basic physics concepts, specifically momentum and kinematics.
  • Familiarity with the formula P = mv for momentum calculation.
  • Knowledge of kinematic equations for projectile motion.
  • Ability to perform vector decomposition of velocity components.
NEXT STEPS
  • Study kinematic equations for projectile motion in detail.
  • Learn how to decompose velocity into horizontal and vertical components.
  • Explore the concept of momentum in different physical contexts.
  • Practice problems involving momentum change in projectile motion scenarios.
USEFUL FOR

Students studying physics, particularly those focusing on mechanics and projectile motion, as well as educators looking for examples of momentum calculations in real-world applications.

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Homework Statement



An object of mass 4.5 kg is projected into the air at a 53° angle. It hits the ground 3.6 s later. What is its change in momentum while it is in the air? Ignore air resistance.

Homework Equations



P = mv V=Ft/m

The Attempt at a Solution



I'm not sure how to find the velocity for this question, otherwise I know how to find the answer.
 
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