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3 years ago

In which direction should you look to see the setting moon.

2 answers:

6 0

It depends on the time of day. If it's just after moonrise, look in the east, low in the sky. Then near moonset, look in the west, also low in the sky.

Virty [35]3 years ago

3 0

Every sky object sets in the west.

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An object is placed to the left of a convex mirror, such that the object-to-image distance is 140 cm.

labwork [276]

Answer:

The focal length of the mirror is 52.5 cm.

Explanation:

Given that,

Object to Image distance d = 140 cm

Image distance v= 35 cm

We need to calculate the object distance

$u = d-v$

$u = 140-35=105\ cm$

We need to calculate the focal length

Using formula of mirror

$\dfrac{1}{f}=\dfrac{1}{u}+\dfrac{1}{v}$

Put the value into the formula

$\dfrac{1}{f}=\dfrac{1}{-105}+\dfrac{1}{35}$

$\dfrac{1}{f}=\dfrac{2}{105}$

$f=52.5\ cm$

Hence, The focal length of the mirror is 52.5 cm.

6 0

2 years ago

Can somone pls help me??!! i’m very stuck

LenKa [72]

Answer:

Explanation:

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the stops when she gets to the library

then her distance from home decreases while her time increases

7 0

2 years ago

How long would it take for a resultant upward force of 100 N to increase the speed of 50 Kg object from 100 m/s to 150 m/s ?

Wewaii [24]

Answer:

$force = mass \times acceleration \\ 100 = 50 \times a \\ a = 2 \: {ms}^{ - 2} \\ from : \: \: v = u + at \\ 150 = 100 + (2 \times t) \\ 50 = 2t \\ time = 25 \: seconds$

6 0

2 years ago

What Occurs at divergent boundaries and creates new seafloor

lisabon 2012 [21]

Most active divergent plate boundaries occur between oceanic plates and exist as mid-oceanic ridges. Divergent boundaries also form volcanic islands which occur when the plates move apart to produce gaps which molten lava rises to fill.

8 0

2 years ago

Which statement best describes the force of gravity

prisoha [69]

I think the answer to this is centripetal force.

I may not be correct.

3 0

2 years ago