Question

Decide how the objects in the following table would be listed, if they were listed in order of increasing kinetic energy. That is, select "1" next to the object with the lowest kinetic energy, select "2" next to the object with the second lowest kinetic energy, and so on. object kinetic energy A 87. kg runner moving at 8.5 m/s.(choose one) A 104. kg runner moving at 9.3 m/s A 96. kg runner moving at 9.3 m/s. (choose one) A 96. kg runner moving at 8.5 m/s. (choose one) alo (ehoose one) Ar

Answer 1

for 1st row:
KE = 0.5*m*v^2
= 0.5*87*8.5^2
= 3143 J

for 2nd row:
KE = 0.5*m*v^2
= 0.5*104*9.3^2
= 4497 J

for 3rd row:
KE = 0.5*m*v^2
= 0.5*96*9.3^2
= 4152 J

for 4th row:
KE = 0.5*m*v^2
= 0.5*96*8.5^2
= 3468 J

Answer:
1
4
3
2