Answer:
y = 5x + 6
Explanation:
we need to things to do this, the slope and the equation of a line
slope = change in y/ change in x
change in y = (-4 - 1) = -5
change in x = (-2 - -1) = -1
-5/-1 = 5
y = 5x + b
plug in a point
1 = 5(-1) + b
b = 6
y = 5x + 6
South Africa has a booming tourism industry that helped increase employment and market trade. To attract tourist, first, they opened their country with 90 days visa-free stay. Second, their promotion through their website. Third, they want the world to see the beauty of their nature and wildlife reserves, so they opened railways with luxuries coaches traveling across south Africa in 12-15 days. Fourth, they also offered other options like a plane ride to access their beautiful islands prominent with historical values. Lastly, they advertise popular native popular products like wines, by doing so, they also helped local farmers.
Where should we follow you ?
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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