Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Physics
Physics
Problem
A
2
kg
2\,\text{kg}
2
kg
block initially at rest is pushed along a smooth horizontal surface. After the block has moved
10
J
10\,\text{J}
10
J
of net work has been done on it. Calculate the final speed of the block. a)
4.5
m
s
−
1
4.5\,\text{m\,s}^{-1}
4.5
m
s
−
1
b)
2.2
m
s
−
1
2.2\,\text{m\,s}^{-1}
2.2
m
s
−
1
c)
3.2
m
s
−
1
3.2\,\text{m\,s}^{-1}
3.2
m
s
−
1
d)
5.0
m
s
−
1
5.0\,\text{m\,s}^{-1}
5.0
m
s
−
1
Browse the problem library