Answer:
the height of the potential energy is 3,200 J
Explanation:
The computation of the kinetic energy is shown below:
Kinetic energy = 1 ÷ 2 × mass × velocity^2
= 1 ÷ 2 × 4 kg × 40 m/s^2
= 3,200 J
Hence the height of the potential energy is 3,200 J
Answer:
c. Both signals are simultaneous.
Explanation:
The speed of light is the same in all frame of reference.
Since an observer inside the ship receives both signals at the same time, then the signals from both flashlight are simultaneously.
It's difficult to measure that because it's hard to make sure it is only a uniform layer of gas in whatever you're measuring it in
Answer:
the attraction between N and S poles
Density is the mass per unit volume of a substance and is simply the ratio of mass to volume. Unlike mass, density is a characteristic property of a material, meaning a property that has the same value for any size sample of a given substance.
Hope this helps:)
