<span>4.2m/s
KE =(1/2)mv^2
insert your numbers to find how much kinetic energy you have.
then double that number and solve for v
which gives you how fast the sled will have to go in order to reach that kinetic energy</span>
What language is this?? So I can translate it and answer your question
Answer:
a = 2.5 m/s^2
Explanation:
u = 0
v = 25
t = 10
(using first eq. of motion)
a = (v - u) /t
a = (25 - 0) /10
a = 25/10
a = 2.5 m/s^2
