Answer:
E) She can perform no measurement to determine this quantity.
Explanation:
A spacecraft is a machine used to fly in outer space.
According to Isaac Newton's third law of motion, every action produces an equal and opposite reaction. When fuel is shoot out of one end of the rocket, the rocket moves forward for which no air is required.
As Leah is moving in a spaceship at a constant velocity away from a group of stars, she cannot measure to determine this quantity.
D: Sóng có thể truyền qua khoảng không của không gian,
với tốc độ ánh sáng.
It stays constant, because it's using that energy to change state
Answer:
1. Battery
2. Copper wire
3. Nail or piece of metal (zinc, iron, or steel).
