Answer: B
Explanation: I think it’s B but you can rly easily look up a video there are super short videos showing how to do that kind of things and they can rly help
Answer:
Last Choice / D
Step-by-step explanation:
you want to isolate v!
E = 1/2 m v^2
multiply both sides by 2
2E = mv^2
divide both sides by m
2E/m = v^2
square root both sides
v = ±
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0.363636363636
<span>..................=<span>411</span></span>
Explanation:
Le <span>x=0.363636363636..................</span>
Now as there are two digits repeating immediately after decimal point, we multiply above by 100 and get
<span>100x=36.363636363636..................</span>
Now subtracting first equation from second we get
<span>99x=36</span> and hence <span>x=<span>3699</span>=<span><span>9×4</span><span>9×11</span></span>=<span>4<span>11</span></span></span>
<span>To find this answer, multiply the numerators across: (8 x 6 x 1) = 48, and the denominators in the same fashion: (15 x 5 x 3) = 225. This gives a non-reduced fraction of 48/225, which, when reduced by 3s, gives a product of 16/75.</span>
X = 180 - (56*2)
= 180 - 112
= 68°
