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Question:

enviromentally coal, gas,hydro and wind are the much more damaging to wildlife..?

please give me some link that goes with the info I have give.

Answer:

Data: Angle Θ 33.3° Initial Speed V 25.7 m/s Range R ? Maximum height H ? Solution: The maximum height H is achieved at the exact mid-point of the range of the projectile. Here we have to find out R/2 where R is the range of the projectile which is: R [ V? x sin(2Θ) ] / g R [ 25.7? x sin(2x33.3) ] / 9.8 R [ 660.49 x sin66.6 ] / 9.8 R 606.168 / 9.8 R 61.854 m so, R / 2 61.854 / 2 R / 2 30.927 m ANSWER :D
Yes it means the battery needs to be replaced as it is running out. If you have a carbon monoxide detector then you need to reset that after you have replaced the battery in the smoke detector.

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