Answer: The momentum of the grasshopper changes compare to that of the car, as momentum is mass times velocity of an object.
Explanation:
The momentum of the grasshopper changes as it hit the windscreen much more than that of the car, because the mass of the grasshopper is smaller than that of the car, but the momentum of the car slightly change because of the mass.
Since nothing is underlined i presume that the underlined pronoun is them. It is in the dative case because them is an object and answers the question to whom was something done. Them refers to the trainer's team.
Answer:
the pale young gentleman whom Pip fought at Satis House
Explanation:
the pale young gentleman whom Pip fought at Satis House