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Vinvika [58]
2 years ago
5

Which global concern is indirectly responsible for all of the others? A) pollution B) deforestation C) resource depletion D) hum

an overpopulation
Physics
2 answers:
vredina [299]2 years ago
8 0
D) human overpopulation
Papessa [141]2 years ago
8 0
D human over popultion

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Mature salmon swim upstream, returning to spawn at their birthplace. During the arduous trip they leap vertically upward over wa
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Answer: minimum speed of launch must be 7.45m/s

Explanation:

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Height or distance (s) = 2.83m

The final velocity(Vf) at maximum height = 0

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From the 3rd equation of motion:

V^2 = u^2 - 2gs

Where V = final velocity

u = initial velocity

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u = √0 + 55.468

u = √55.468

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7 0
3 years ago
A car accelerates at a constant rate from 0 to 50 mph in three fourths min. How far does the car travel during that​ time?
Helen [10]

Answer:

the car have travelled 0.31 mile during that​ time

Explanation:

Applying the Equation of motion;

s = 0.5(u+v)t

Where;

s = distance travelled

u = initial speed = 0 mph

v = Final speed = 50 mph

t = time taken = 3/4 min = 3/4 ÷ 60 hours = 1/80 hour

Substituting the given values into the equation;

s = 0.5(0+50)×(1/80)

s = 0.3125 miles

s ~= 0.31 mile

the car have travelled 0.31 mile during that​ time

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2 years ago
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(A star moves away from the main sequence once its core runs out of hydrogen to fuse into helium. The energy once supplied by hydrogen burning reduces and the core starts to compress under the force of gravity. This contraction allows the core and surrounding layers to heat up. Finally, the hydrogen shell around the core becomes hot enough to ignite hydrogen burning.

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