Find Initial Velocity & Angle of Projection for a Projectile at 40m

Click For Summary
SUMMARY

The discussion focuses on calculating the initial velocity and angle of projection for a projectile that reaches a height of 40 meters while moving at a 45-degree angle to the horizontal. The key equations involve kinematic equations of motion, specifically the relationship between vertical displacement, initial velocity, and gravitational acceleration. The solution requires understanding the symmetry of projectile motion, where the horizontal and vertical components of motion can be analyzed separately. The acceleration due to gravity is a critical factor in determining the projectile's trajectory.

PREREQUISITES
  • Understanding of kinematic equations in physics
  • Knowledge of projectile motion principles
  • Familiarity with trigonometric functions and angles
  • Basic grasp of gravitational acceleration (9.81 m/s²)
NEXT STEPS
  • Study kinematic equations for projectile motion
  • Learn how to decompose vectors into horizontal and vertical components
  • Explore the effects of different launch angles on projectile trajectories
  • Investigate the role of air resistance in projectile motion
USEFUL FOR

Students studying physics, educators teaching projectile motion concepts, and anyone interested in solving real-world problems involving trajectories and motion analysis.

sanjaymodi
Messages
1
Reaction score
0

Homework Statement


If at height of 40 m the direction of motion of a projectile makes an angle 45 degrees with
the horizontal, then what is its initial velocity and angle of projection?

Homework Equations





The Attempt at a Solution

 
Physics news on Phys.org
I don't really know how much help i can be but from what i remember you the x and y times will be the same. So 40m and the acceleration of gravity with the angles are what you need to solve the problem
 

Similar threads

  • · Replies 7 ·
Replies
7
Views
4K
Replies
5
Views
2K
  • · Replies 4 ·
Replies
4
Views
3K
Replies
2
Views
3K
Replies
40
Views
3K
Replies
5
Views
2K
Replies
26
Views
4K
  • · Replies 11 ·
Replies
11
Views
2K
Replies
5
Views
3K
Replies
7
Views
2K