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3 years ago

8

PLS HELP Can technology like cell phones etc. effect human evolution and how?

1 answer:

Oduvanchick [21]3 years ago

7 0

We can say that human evolutionary cycles will definitely be affected by this rapid growth in technological advancements. These technologies have already significantly changed the patterns of life thus making the standard evolution considerably fast.

: Hope this helps :)

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A truck travels at a speed of 40 mph. How long does it take to travel<br> 240 miles?

Wittaler [7]

Answer:

6 hours

Explanation:

240/40 =6

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3 years ago

A vertical wall (8.7 m x 3.2 m) in a house faces due east. A uniform electric field has a magnitude of 210 N/C. This field is pa

Dominik [7]

Answer:

$\phi=4344.72Nm^2/c$

Explanation:

From the question we are told that:

Dimension of Wall:

$(L*B)=(8.7 m * 3.2 m)$

Electric field $B=210 N/C$

Angle $\theta =42 \textdegree North$

Generally the equation for electric Flux is mathematically given by

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$\phi=210*(8.7*3.2)*cos 42$

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3 years ago

A ball is kicked horizontally from a 60 meter tall cliff at 10 m/s. How far from

o-na [289]

Hi there!

We can begin by deriving the equation for how long the ball takes to reach the bottom of the cliff.

$\large\boxed{\Delta d = v_it+ \frac{1}{2}at^2}}$

There is NO initial vertical velocity, so:

$\large\boxed{\Delta d= \frac{1}{2}at^2}}$

Rearrange to solve for time:

$2\Delta d = at^2\\\\t = \sqrt{\frac{2\Delta d}{g}}$

Plug in the given height and acceleration due to gravity (g ≈ 9.8 m/s²)

$t = \sqrt{\frac{2(60)}{(9.8)}} = 3.5 s$

Now, use the following for finding the HORIZONTAL distance using its horizontal velocity:

$\large\boxed{d_x = vt}\\\\d_x = 10(3.5) = \karge\boxed{35 m}$

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Radius: 3958.8 mi

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3 years ago

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