A projectile starting from ground hits a target on the ground located at a distance of 100 meters after 4 seconds. a) What is the size of the angle θ?
b) At what initial velocity was the projectile launched?

are there options? cause you ain’t. real specific

0.11 m/s and 0.28 m/s should be correct

explanation:

considering the bohr theory, the type of connection that requires the transfer the answer conuldn't be right