A small hockey puck slides without friction over the icy hill ...

[DyllonKazuo]

A small hockey puck slides without friction over the icy hill shown in the figure and lands 6.20 m from the foot of the cliff with no air resistance. What was its speed v0 at the bottom of the hill?
 
  A) 20.8 m/s
  B) 17.4 m/s
  C) 14.4 m/s
  D) 13.7 m/s
  E) 4.71 m/s

Question 2

A projectile is fired from ground level at an angle of 40.0 above horizontal at a speed of 30.0 m/s. What is the speed of the projectile when it has reached a height equal to 50.0 of its maximum height?
 
  A) 26.0 m/s
  B) 27.4 m/s
  C) 28.7 m/s
  D) 26.7 m/s
  E) 28.1 m/s

[JYan]

Answer to Question 1

Answer: D

Answer to Question 2

Answer: D

[DyllonKazuo]

TY

[JYan]

You're welcome