Answer: Twice the previous time would be taken to reach the same speed v with the puck of mass 2m.
Explanation:
Let a Force pushes the hockey puck of mass m.
Then acceleration, a= \frac{F}{m}a=mF
From the equation of motion,
\begin{gathered}\➪ v=u+at\\ v=0+\frac{F}{m}\Delta t\end{gathered}⇒v=u+atv=0+mFΔt ......(1)
In the second case, when mass is 2m, then acceleration,
a'=\frac{F}{2m}a′=2mF
and t' is the time taken.
The final speed is v,
\begin{gathered}\➪ v=0+ a't'\\ \➪ \frac {F}{m}\Delta t=\frac{F}{2m}t'\\ \➪ t'= 2\Delta t\end{gathered}⇒v=0+a′t′⇒mFΔt=2mFt′⇒t′=2Δt using equation (1)
Hence, it would take two times the previous amount of time to push the pluck of double mass.
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Answer:
hey
The answer would be a powerful conclusion
In speeches, movies, books, tv series, and such,
You have to make it interesting.
Those boring ads you get on yutob borr your eyes out of your head.
you must make it so that the reader can't put it down and wants to see what happens at the end.
That is why you must have an interesting conclusion.
Answer: Was there any answer choices given?
Explanation:
A high school transcript contains:
Act/Sat scores
Weighted gpa
Unweighted gpa
All the classes you have taken
All the grades you made
And sometimes your achievements
The range of the function f(x) =(9)x is all real numbers greater than 0. The correct option is C.
<h3>What are real numbers?</h3>
Real numbers are those contain both rational and irrational numbers.
Because it is an exponential function, when positive values (extremely large) are replaced, the function tends to infinity.
Because it is an exponential function, the function tends to zero when negative values (extremely large) are substituted.
Thus, the correct option is C, all real numbers greater than 0.
Learn more about real numbers
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Answer:
Dylan paid a plumber $120 for 4 hours of labor. How much does the plumber charge per hour of labor?
$15 per hour
$30 per hour
$116 per hour
$480 per hour
Explanation:
