A runner is traveling around the track below at a constant speed. Is she accelerating?
2 answers:
it would be D, i MAY be wrong
<h2>
ANSWER:</h2>
D.No, she is not accelerating because her speed is constant.
<h2>
EXPLANATION:</h2>
The rate of change of velocity with respect to time is known as acceleration.
acceleration =change in velocity/time
As she is running at constant speed and there is no change in velocity so she is not accelerating.
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2.a)R b)R c)L d)L e)R f)L g)L
M Fe = 55,85g ≈ 56g
m O = 16g
m N = 14g
m Fe(NO3)3 = 56g + 3*14g + 3*3*16g = 242g/mol
answer: (4)
1.d
2.g
3.j
4.i
5.c
6.h
7.e
8.b
9.a
10.f
Answer:
increase dramatically(a lot).
Explanation:
The core of the earth is way way way hotter than the surface.
