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naomicervero
21.10.2020 •
Mathematics
What is the rate of change of this table?
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Ответ:
- 6
Step-by-step explanation:
The rate of change of the values is the slope m
Calculate m using the slope formula
m =![\frac{y_{2}-y_{1} }{x_{2}-x_{1} }](/tpl/images/0828/8504/287b9.png)
with (x₁, y₁ ) = (- 2, 32) and (x₂, y₂ ) = (0, 20) ← 2 ordered pairs from the table
m =
=
= - 6 ← rate of change
Ответ:
43.1N
Step-by-step explanation:
this question involves the application of the use of the equations of motion and the newton's law of motion
the parameters are
initial velocity u = 0
distance (s)= 12
mass (m)=5.5kg
t=1.75s
a= acceleration
S= ut +
at²
12= (0×1.75) + (
× a × 1.75²)
12= 0 + (1.53125 × a)
12 = 1.53125 × a
a = 12÷1.53125
a= 7.8367m/s²
F=m × a
=5.5 × 7.8367
=43.10N