Answer:
-1.46 m/s^2
Explanation:
Write down what is given first:
v0 = 12 m/s
vf = 0 m/s
d = 45 m
We are trying to find acceleration, so we will use the equation vf^2 = v0^2 + 2ad
Plug in the values we have:
0^2 = 12^2 + (2 x 45 x a)
a = - 1.46 m/s^2
Note that this acceleration is negative because the body is slowing down, so the acceleration with be negative, because the change in velocity is negative.
Answer: Potential energy is real and is stored within matter, though a force must be applied to an object in order for it to store potential energy.
Explanation:
Becomes a +1 ion for this
Answer:
5.98 m
Explanation:

= 11.15*4.6²/(4π²) = 5.98 m
Answer:

Explanation:
= Refraction index of water = 1.333
= Refraction index of air = 1
= Angle of sunlight = 30°
From Snell's law we have

The angle measured from the vertical does the sunlight strike thesurface of the water is 