Answer:
the change in speed of the sled after 3.0 s is 60 m/s.
Explanation:
Given;
constant acceleration of the sled, a = 20 m/s²
change in time of motion, dt = 3.0 s
The change in speed of the sled after 3.0 s is calculated as;

Therefore, the change in speed of the sled after 3.0 s is 60 m/s.
Answer:
Explanation:
Weathering ,erosion,deposition,Lithification,comentatiom
Yes, it's true.
But 2nd Newton Law always come to play when the horse is to move forward because obviously the forces interact antagonistically and mass has to be accounted for.
That's what I think. Hope it's right, all the best.
Answer:c
Explanation: the speed of object a changes but b travels at constant speed