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2 years ago

What is the definition of evolution

2 answers:

7 0

<span>the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.

Hope this helps.

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Hoochie [10]2 years ago

5 0

Evolution: The process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.

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During a move, Jonas and Matías carry a 115kg safe to the third floor of a building, covering a height of 6.6m.

neonofarm [45]

Answer:

work is =7590joules

power = 23watts

4 0

3 years ago

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Jack and Jill are on two different floors of their high rise office building and looking out of their respective windows. Jack s

Maru [420]

Answer:

a) speed when Jack sees the pot : 12.92 meters per second

b) height difference 163.115 meters

Explanation:

First to calculate te initial speed we use the acceleration formula:

a= v1-v0/t

Acceleration being gravity's acceleration (9.8 m/s^2)

v1 being the speed when Jill sees the pot

v0 when Jack sees it

and t the time between

Solving for v0 it would be

v1 - a*t = v0

replacing

$58 m/s - 9.8 m/s^2 *4.6 s = v0 = 12.92 m/s$

For the second question we use the position formula setting y0 and t0 as the position and time when jack sees the pot. (and setting the positive axis downward I.E. one meter below jack would be 1m not -1m)

The formula is

$y0 + v0*t + 1/2 g *t^2 = yt$

replacing

$0m + 12.92m/s* 4.6 s + 1/2 * 9.8 m/s^2 * (4.6 s)^2 = 163.115 m$

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3 years ago

Why does it takes the outer planets so long to orbit the Sun? Try to come up with two reasons.

tensa zangetsu [6.8K]

well they are normally bigger than the inner planets, and they also have a bigger distance to go

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3 years ago

Questions E6 a& b and E7 a&b?

erica [24]

Explanation:

6a) Work = force × distance

W = Fd

W = (60 N) (10 m)

W = 600 J

6b) Change in energy = work

ΔKE = 600 J

7a) Kinetic energy is half the mass times the square of the velocity.

KE = ½ mv²

KE = ½ (0.4 kg) (25 m/s)²

KE = 125 J

7b) Work = change in energy. When the ball is stopped, it has zero kinetic energy.

W = ΔKE

W = 0 J − 125 J

W = -125 J

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2 years ago

What is the<br> cancer treatments

ad-work [718]

One is chemo. Chemo is a special magnetic field like to treat cancer

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3 years ago

Read 2 more answers