Omar throws a rock down with speed 12.5 m/s from the top of a ...

[nmorano1]

Omar throws a rock down with speed 12.5 m/s from the top of a tower. The rock hits the ground after 1.50 s. What is the height of the tower? (air resistance is negligible)
 a. 24.0 m
  b. 21.0 m
  c. 30.0 m
  d. 54.0 m
  e. 45.0 m

Question 2

A rock, released at rest from the top of a tower, hits the ground after 3.5 s. What is the speed of the rock as it hits the ground? (g = 9.8 m/s2 and air resistance is negligible)
 a. 34 m/s
  b. 17 m/s
  c. 44 m/s
  d. 68 m/s
  e. 24 m/s

[xMRAZ]

Answer to Question 1

c

Answer to Question 2

a

[nmorano1]

Wow, this really help

[Liddy]

Thanks for the timely response, appreciate it