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Answer:
The expected age for one of the passengers on the train is 7.
Explanation:
The final rotational speed ω_final and the instantaneous power P delivered to the wheel are; ω_f = √((ω_i)² + 2(FL/(kmr²) and P = Frω_i
<h3>What is the Instantaneous Power?</h3>
A) From rotational kinematics, the formula for the final angular velocity is;
ω_f = √((ω_i)² + 2αθ)
where;
α is angular acceleration
θ = L/r. Thus;
ω_f = √((ω_i)² + 2α(L/r))
Now, α = T/I
Where;
I is moment of inertia = k*m*r²
T is t o r q u e = F * r
Thus;
α = (F * r)/(kmr²)
α = F/(kmr)
ω_f = √((ω_i)² + 2(F/(kmr))(L/r))
ω_f = √((ω_i)² + 2(FL/(kmr²)
B) Formula for instantaneous power is;
P = Fv
where at t = 0; v = rω_i
Thus;
P = Frω_i
Read more about Instantaneous Power at; brainly.com/question/14244672
There are different ways to compare two things. In the first two stanzas of her poem, Dickinson establishes an extended metaphor by comparing Hope and a bird in the storm.
<h3>Emily Dickinson's poetry </h3>
- Emily Dickinson's poetry is known to kind of short and straight to the point. It often arose the interest of the student and she often uses themes that students can relate to.
Dickinson's uses metaphor to compare hope to a bird. This stands for a lot of her personal experiences. She use it to depict the importance of the optimism that is found within every human soul.
Learn more about Dickinson's Poem from
brainly.com/question/25332344
Answer:
1500 N
Explanation:
Weight = mg = 150 kg * 10 m/s^2
Weight = 1500 N
