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2 years ago

Is this statement true or false?

Physics

2 answers:

Brilliant_brown [7]2 years ago

8 0

Answer:

The full cycle of moon phases averages 29.531 days. A quarter of that is 7.38 days. So "7 days" is a pretty good approximation for casual conversation. It's true.

Explanation:

uh i think that was my explanation soooooo like yall have a good day and if you are working at 1am just know it is not gonna be so hard one day it is gonna get better hehe

Andrej [43]2 years ago

4 0

Answer:True

Explanation:there are approximately 29.531 on the new moon and and 7.31 I think for the first quarter then it’s 7 days between them if u calculate their sped that light travels and that number it might be the same but the statement is true not false

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A box is sliding down an incline tilted at a 16.0 angle above horizontal. The box is initially sliding down the incline at a spe

blsea [12.9K]

Answer:

d) 1.44m

Explanation:

According to Newton's second law:

$\sum F=m.a\\$

analyzing the horizontal components of the force:

$\sum F_x=mg*sin(\theta)-\µ*m.g*cos(\theta)\\\sum F_x=m*9.8*(sin(16^o)-0.420*cos(16^o))\\\sum F_x=-1.25m$

applying the second law

$-1.25m=m.a\\a=-1.25m/s^2$

given the acceleration we can calculate the distances traveled before stopping:

$(v_f)^2=(v_o)^2+2.a.\Delta x\\0=(1.90m/s)^2-2(1.25)*\Delta x\\\Delta x=1.44m$

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3 years ago

Kepler modified Copernicus's model of the universe by proposing that the A. Planets follow a circular orbit around the sun. B. P

lisabon 2012 [21]

Answer:

I believe the answer is B, the paths of the planets follow an elliptical orbit around the sun.

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3 years ago

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stira [4]

Answer:

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3 years ago

What is the main source of groundwater? A. precipitation falling into man-made wells B. precipitation seeping through pores and

Yuliya22 [10]

Answer:

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Explanation:

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2 years ago

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3 years ago