1 year ago

even though the sun is so much bigger than the moon, why does the moon have a stronger effect on tides?

Physics

1 answer:

anygoal [31]1 year ago

5 0

Answer:

the moon is closer to the earth so that its gravitational gradient is stronger than that of the sun.

Explanation:

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A train 471 m long is moving on a straight track with a speed of 75.1 km/h. The engineer applies the brakes at a crossing, and l

hram777 [196]

Answer:

$t = 37.6 s$

Explanation:

As we know that train is initially moving with the speed

$v_i = 75.1 km/h$

now we know that

$v_i = 20.86 m/s$

now the final speed of the train when it crossed the crossing

$v_f = 15 km/h$

$v_f = 4.17 m/s$

now we can use kinematics here

$v_f^2 - v_i^2 = 2 a d$

$4.17^2 - 20.86^2 = 2 a(471)$

$a = -0.44 m/s^2$

Now the time to cross that junction is given as

$v_f - v_i = at$

$4.17 - 20.86 = a(-0.44)$

$t = 37.6 s$

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2 years ago

Scientist use conversion factors to express the given value of a unit different type of unit true or false

kykrilka [37]

True.

<span>Scientist use conversion factors to express the given value of a unit different type of unit</span>

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2 years ago

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What are the effects of radiation on different surfaces such as an ice- covered lake, a forest, an ocean, or an asphalt road?

jarptica [38.1K]

Answer:

it could kill the fish in water

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2 years ago

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if you have a mass of 55 kg and you are standing 3 meters away from your car, which has a mass of 1234 kg, how strong is the for

bagirrra123 [75]

Gravitational force between two masses is given by formula

$F = \frac{Gm_1m_2}{r^2}$

here we know that

$m_1 = 55 kg$

$m_2 = 1234 kg$

$r = 3 m$

$G = 6.67 \times 10^{-11} Nm^2/kg^2$

now from the above equation we will have

$F = \frac{(6.67 \times 10^{-11})(55)(1234)}{3^2}$

$F = 5.03 \times 10^{-7}N$

so above is the gravitational force between car and the person

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2 years ago

What happened to an iron bar if it is heated from 32 degree Celsius to 64 degree Celsius

olganol [36]

Answer:

it got hotter

Explanation:

it just did

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2 years ago