Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Physics
Physics
Problem
A ball is initially 50 m above the ground. The ball is thrown vertically upwards and takes 5.0 s to reach the ground. Air resistance is negligible. What is the initial speed of the ball? A.
10
m s
−
1
10 \text{ m s}^{-1}
10
m s
−
1
B.
15
m s
−
1
15 \text{ m s}^{-1}
15
m s
−
1
C.
25
m s
−
1
25 \text{ m s}^{-1}
25
m s
−
1
D.
35
m s
−
1
35 \text{ m s}^{-1}
35
m s
−
1
Browse the problem library