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3 years ago

14

An unmanned spacecraft travels to Mars. Mars has a lower strength of gravity than Earth. Where in the image is the spacecraft’s

weight the greatest?

1 answer:

elena-14-01-66 [18.8K]3 years ago

3 0

Answer:

First Dot That is located on Earth.

Explanation:

Due to Earth's gravity being greater than the moon's on earth there is more gravitational force pulling down on the spacecraft.

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The relationship between frequency wavelength and speed holds for light waves because

tamaranim1 [39]

Answer:

all forms of electromagnetic radiation travel at a single speed in a vacuum.

Explanation:

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2 years ago

What is the mechanical energy of a 500kg rollercoaster car moving with a speed of 3m/s at the top hill that is 30m high

koban [17]

K.E = 1/2*m*v^2 = 1/2(500)(3)^2 = 2250 J

m*g*h = 500(9.8)(30) = 147000 J

2250 + 147000 = 149250

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2 years ago

A natural atom can be negatively charged by

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Answer:

By Gaining Electrons

Explanation:

A nuetral atom is negative when it gains electrons, and it can be positive when it loses electrons.

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2 years ago

Read 2 more answers

Holding onto a tow rope moving parallel to a frictionless ski slope, a 70.1 kg skier is pulled up the slope, which is at an angl

lara [203]

Answer:

given,

mass of the skier = 70.1 Kg

angle with horizontal, θ = 8.6°

magnitude of the force,F = ?

a) Applying newton's second law

$m g sin\theta - F_{rope} = ma$

velocity is constant, a = 0

$m g sin\theta - F_{rope} =0$

$F_{rope} = m g sin\theta$

$F_{rope} = 70.1\times 9.8\times sin 8.6^0$

$F_{rope}= 102.73\ N$

b) now, when acceleration, a = 0.135 m/s²

$F_{rope}-m g sin\theta = ma$

velocity is constant, a = 0.135 m/s₂

$F_{rope} = m g sin\theta+ma$

$F_{rope} = 70.1\times 9.8\times sin 8.6^0+70.1\times 0.135$

$F_{rope}= 112.19\ N$

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3 years ago

Your friend tells you “I no the moon does not rotate because we always see the same side.” do you agree or disagree with your fr

nydimaria [60]

Answer:

no the moon does not rotate it only goes in circle just like the sun so I disagree with your friend

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2 years ago