Please help soon!

1. This question is about Projectile Motion. You kick a football with a velocity of 20 m/s at some angle, ?, with the horizontal. Ignore air resistance.

A. If the football strikes the ground in 2.6 seconds after you kick it, at what angle did you kick the football?

B. How far away from you does the football strike the ground.

Problem 4: Newton's Second Law A frictionless incline plane of height H - Im and length L = 1.732 m has a mass m, =100 g placed on my it, as shown in the diagram. m, The mass is connected to an unknown mass m, , by a H rope through a frictionless pulley. Both masses are stationary. L A. (5 points) Draw free-body diagrams for masses m, and m, . B. (8 points) What is the value of the mass m