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Gnom [1K]
2 years ago
7

Qliestion 5 (1 point)

Physics
1 answer:
love history [14]2 years ago
4 0

Answer:

-3.33 ms^-2

Explanation:

Hope it helps

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In order to solve this problem, there are two equations that you need to know to solve this problem and pretty much all of kinematics. The first is that d=0.5at^2 (d=vertical distance, a=acceleration due to gravity and t=time). The second is vf-vi=at (vf=final velocity, vi=initial velocity, a=acceleration due to gravity, t=time). So to find the time that the ball traveled, isolate the t-variable from the d=0.5at^2. Isolate the t and the equation now becomes \sqrt{(2d)/a}. Solving the equation where d=8 and a=9.8 makes the time \sqrt{(2*8)/9.8}=1.355 seconds. With the second equation, the vi=0 m/s, the vf is unknown, a=9.8 m/s^2 and t=1.355 sec. Substitute all these values into the equation vf-vi=at, this makes it vf-0=9.8(1.355). This means that the vf=13.28 m/s.
8 0
3 years ago
Read 2 more answers
List two examples of when you would use light years as a measurement.
astra-53 [7]
One is when you are measuring a distance in space! I don't know the other but hope you find another example!
7 0
3 years ago
I don’t know the answer <br><br> Help me please
lubasha [3.4K]

Answer:

Explanation:

i wanna say its B but if im wrong sorry i tried

5 0
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