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Anna71 [15]
3 years ago
5

To solve a problem using the equation for keplerâs third law, enrico must convert the average distance of mars from the sun from

meters into astronomical units. how should he make the conversion?
Physics
2 answers:
kupik [55]3 years ago
8 0

Answer:

divide the average distance by 1.5 × 1011

Explanation:

just got it wrong that's right answer e2020

Natali5045456 [20]3 years ago
3 0
1 astronomical unit = 149597870700m
Enrico should divide distance in meters with this number.
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A 82-kg fisherman in a 112-kg boat throws a package of mass m = 15 kg horizontally toward the right with a speed of vi = 4.8 m/s
abruzzese [7]

Answer:

0.37 m/s to the left

Explanation:

Momentum is conserved.  Initial momentum = final momentum.

m₁ u₁ + m₂ u₂ = m₁ v₁ + m₂ v₂

Initially, both the fisherman/boat and the package are at rest.

0 = m₁ v₁ + m₂ v₂

Plugging in values and solving:

0 = (82 kg + 112 kg) v + (15 kg) (4.8 m/s)

v = -0.37 m/s

The boat's velocity is 0.37 m/s to the left.

8 0
3 years ago
A girl rides her scooter to school, a total distance of 4.5km. She has to slow down twice to cross busy streets, but overall the
Whitepunk [10]

Answer:

6.93 km/h

Explanation:

To calculate her average speed, we need the "speed" formula, which is:

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You plug in your numbers and it will give you the answer.

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8 0
3 years ago
Read 2 more answers
What is the velocity of a ball dropped from a height of 150 m when it hits the ground? Take the upward direction as positive.
djyliett [7]

Answer:

The velocity of the ball when its hit the ground will be 54.22 m/sec    

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As the ball is dropped so initial velocity will be zero so u = 0 m/sec

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v=54.22m/sec

So the velocity of the ball when its hit the ground will be 54.22 m/sec

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A Cassegrain telescope
yuradex [85]

The answer is D.

Hope this helps and have a good day :D

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When is an object moving in uniform circular motion?
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When its tangential speed is constant
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</span>
6 0
3 years ago
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