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3 years ago

Suppose the sun shrank in size but its mass remained the same. what would happen to the orbit of earth?

Physics

1 answer:

Naddika [18.5K]3 years ago

5 0

Nothing at all it can't get

smalljnnñj

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Why is raw sewage a major pollutant in some countries but not in developed countries?

Damm [24]

Answer:because developed cities are more equipped to deal with raw sewage than less developed cities

Explanation:

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3 years ago

Increase of green house gases, due to human activity, is warming the oceans. This causes changes in climate. Name three Earth sp

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3 years ago

The properties of element 17 are most similar to which of the following elements?

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3 years ago

Atruck with a mass of 5280 Kg has an acceleration of 45 m/s/s what is the force acting on the truck?

horrorfan [7]

117.3 I think that’s it mb if that wrong

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3 years ago

A wagon is rolling forward on level ground. Friction is negligible. The person sitting in the wagon is holding a rock. The total

Rudik [331]

Answer:

a) 0.41 m/s

b) 0.51 m/s

Explanation:

(a)

M = total mass of wagon, rider and the rock = 93.1 kg

V = initial velocity of wagon = 0.456 m/s

m = mass of the rock = 0.292 kg

v = velocity of rock after throw = 15.4 m/s

V' = velocity of wagon after rock is thrown

Using conservation of momentum

M V = m v + (M - m) V'

(93.1) (0.456) = (0.292) (15.4) + (93.1 - 0.292) V'

V' = 0.41 m/s

M = total mass of wagon, rider and the rock = 93.1 kg

V = initial velocity of wagon = 0.456 m/s

m = mass of the rock = 0.292 kg

v = velocity of rock after throw = - 15.4 m/s

V' = velocity of wagon after rock is thrown

Using conservation of momentum

M V = m v + (M - m) V'

(93.1) (0.456) = (0.292) (- 15.4) + (93.1 - 0.292) V'

V' = 0.51 m/s

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4 years ago