How Do You Solve Projectile Motion Problems Without Specific Values?

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SUMMARY

The discussion focuses on solving projectile motion problems using the equation s = vo t - (g/2)t^2, where vo represents the initial velocity and g is the acceleration due to gravity. Key questions include determining the initial height, the time of flight until the object hits the ground, the time to reach maximum height, and the maximum height itself. The main challenge highlighted is the absence of specific numerical values, requiring an understanding of the underlying physics concepts to interpret the conditions for each question.

PREREQUISITES
  • Understanding of kinematic equations in physics
  • Knowledge of initial velocity (vo) and acceleration due to gravity (g)
  • Familiarity with the concept of maximum height in projectile motion
  • Ability to analyze time variables in motion equations
NEXT STEPS
  • Study the derivation of kinematic equations for projectile motion
  • Learn how to calculate time of flight in projectile motion problems
  • Explore the concept of maximum height and its calculation in physics
  • Practice solving projectile motion problems with varying initial conditions
USEFUL FOR

Students studying physics, educators teaching kinematics, and anyone interested in mastering projectile motion concepts.

wonderlove_525
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Confused :( Can someone please help meee?

The height of an object above the ground at time t is given by
s = vo t - (g/2)t^2
where vo is the initial velocity and g is the acceleration due to gravity.

a) At what height is the object initially?
b) How long is the object in the air before it hits the ground?
c) When will the object reach its maximum height?
d) What is that maximum height?

I don't know how to attempt this question.. cause I haven't been given any numbers...
 
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wonderlove_525 said:
I don't know how to attempt this question.. cause I haven't been given any numbers...

You aren't explicitly given any numbers, so you have to interpret what the conditions are for each question. For the first one, it asks what the initial height of the object is. What is the time (t = ?) initially? (That is, when do we start counting from?)
 

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