An athlete executing a long jump leaves the ground at a 20° angle and travels 7.80 m.

Question

(a) What was the takeoff speed?
1._____ m/s
(b) If this speed were increased by just 5.0%, how much longer would the jump be?
2.______ m

Answer 1

I will be happy to critique your work.

Answer 2

i don't know how to start