I believe the answer is D. Thermal Conductivity
This should help look at the pictures?
Answer:
juz taking points nvm no sry for u cos u too wasted point
I don't understand the question but impulse and momentum is the same. So maybe is the force same too
Answer:
Lilly's speed is two times John's speed.
Explanation:
m = Mass
a = Acceleration
t = Time taken
u = Initial velocity
v = Final velocity
The force they apply on each other will be equal




Hence, Lilly's speed is two times John's speed.