Author Question: A projectile is launched at an angle of 15 above the horizontal and lands downrange. With no air ... (Read 161 times)

crobinson2013 · **on:** Jul 29, 2018

A projectile is launched at an angle of 15 above the horizontal and lands downrange. With no air resistance, what other projection angle for the same speed would produce the same downrange distance?

A) 30
B) 45
C) 50
D) 75
E) 90

Question 2

A gun with a muzzle velocity of 100 m/s is fired horizontally from a tower. Neglecting air resistance, how far downrange will the bullet be 1 s later?

A) 50 m
B) 98 m
C) 100 m
D) 500 m
E) none of the above