An archer uses a bow to fire two similar arrows with the same string force. One arrow is fired at an angle of 60° with the horizontal, and the other is fired at an angle of 45° with the horizontal. Compared to the arrow fired at 60°, the arrow fired at 45° has a shorter flight time and
Grade 9 Science class wants to investigate what is the maximum range when a ball is thrown at different angle projection. Which observation is true about the maximum range the ball can have? A. ball thrown at 300 angle projection will have the same range as 800 angle projection.
