A train crosses a bridge that is 1300 m long in 1 minute and 5 seconds.
1 answer:
Answer:
I'm pretty sure it's 20m/s because 1300m divided by 65 seconds is 20 so I think it's 20m/s
Explanation:
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Hi there!
Assuming the track is frictionless:
Cancel out the masses and rearrange to solve for velocity:
Plug in the given height and let g = 9.8 m/s²:
Answer:
D. It has a central nucleus composed of 35 protons and 45 neutrons,
surrounded by an electron cloud containing 35 electrons.
hope this was helpful ! <3
Velocity tells you how fast and in what direction. Speed only tells how fast.
It’s b because if you’re running at 5 miles per second being a 100kg weight is the fastest
Answer:
A.3.13x10^14 electrons
B.330A/m²
C.9.11x10^5N/C
D. 0.23W
.pls see attached file for explanations
