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LuckyWell [14K]

2 years ago

6

Why does the value of g vary from place to place?

1 answer:

NemiM [27]2 years ago

8 0

Answer:

The variation in apparent gravitational acceleration (g) at different locations on Earth is caused by two things (as you implied). ... The distance between the centers of mass of two objects affects the gravitational force between them, so the force of gravity on an object is smaller at the equator compared to the poles.

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How far would a jet going 155 m/s travel in 9 s?

docker41 [41]

Answer:

1,395 m

Explanation:

155×9

multiply m/s by 9s

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2 years ago

What causes some materials to have a magnetic fields?

Viktor [21]

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Two people, Micah and Lyra, with different near points are equally close to an object. Both inspect the object through the same

Gekata [30.6K]

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2 years ago

How many milliliters are in 1.2 L ( 1 mL= 0.001 L

alisha [4.7K]

1200 mL

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2 years ago

A swimming duck paddles the water with its feet once every 1.6 s, producing surface waves with this period. The duck is moving a

emmainna [20.7K]

Answer:

a)

0.245 m/s

b)

0.904 m

Explanation:

a)

$v_{d}$ = speed of duck ahead of wave

$v_{s}$ = speed of surface wave = 0.32 m/s

T = time for paddling = 1.6 s

d = spacing between the waves = 0.12 m

speed of duck ahead of wave is given as

$v_{d}$ = $v_{s}$ - $\frac{d}{T}$

$v_{d}$ = 0.32 - $\frac{0.12}{1.6}$

$v_{d}$ = 0.245 m/s

b)

$v_{w}$ = speed of wave behind the duck

speed of wave behind the duck is given as

$v_{w}$ = $v_{s}$ + $v_{d}$

$v_{w}$ = 0.32 + 0.245

$v_{w}$ = 0.565 m/s

D = spacing between the crests

spacing between the crests is given as

D = $v_{w}$ T

D = (0.565) (1.6)

D = 0.904 m

7 0

2 years ago