A Batang Pinoy Athlete From Your School Thrown A Javelin,Always At The Same Speed,At Four Different Angles (30\Xb0,40\Xb0,60\Xb0 And 80\Xb0) Above The

A batang pinoy athlete from your school thrown a javelin,always at the same speed,at four different angles (30°,40°,60° and 80°) above the horizontal.Which two throws cause the javelin to land the same distance?

with explanation

 

Good Day

Problem:

A batang pinoy athlete from your school thrown a javelin,always at the same speed,at four different angles (30°,40°,60° and 80°) above the horizontal.Which two throws cause the javelin to land the same distance?

Answer:

Angle 30° and 60° will have the same range when both of them are thrown with the same velocity.

Example:

If the initial velocity is 10 m/s and gravity is 9.8 m/s²

Angle 30° will have a range of 8.84 meters

Angle 60° will also have a range of 8.84 meters

Hope it helps...=)


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