![v_{f}=v_{o}-g*t\\0 = 7 - (9.81*t)\\7 = 9.81*t\\t = 0.713[s]](/tpl/images/0541/8676/7713d.png)
![y=y_{o}+v_{o}*t-0.5*g*t^{2}\\ y = 0+ (7*0.713)-0.5*9.81*(0.713)^{2}\\ y = 2.5[m]](/tpl/images/0541/8676/ad139.png)
![v_{f}^2=v_{o}^2+2*g*y\\v_{f}=\sqrt{2*g*y}\\ v_{f}=\sqrt{2*9.81*6.5}\\ v_{f}=11.3[m/s]](/tpl/images/0541/8676/cc4f2.png)
![v_{f}=v_{i}+g*t\\11.3=0+9.81*t\\11.3=9.81*t\\t=1.15[s]](/tpl/images/0541/8676/5448e.png)
Question 4 (2 points)
A toy plane is thrown upward with an initial velocity of 7 meters per sec...
Physics, 11.03.2020 01:01 hncriciacheichi
Question 4 (2 points)
A toy plane is thrown upward with an initial velocity of 7 meters per second from an
initial height of 4 meters.
About how much time does it take for the plane to hit the ground?
Answers: 3
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