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AnnyKZ [126]
3 years ago
6

Newton's 1st law of motion states that a moving object will go in a straight line unless an outside force changes this motion. W

hat outside force prevents the planets from moving in a straight line into space?
gravity
meteorite impacts
supernovas
nuclear fusion
Physics
1 answer:
navik [9.2K]3 years ago
4 0
The gravity of the sun is keeping all the planets in orbit

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Find the final velocity
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Answer: v = 4.4 m/s

Explanation:

In the absence of friction, the total mechanical energy will be constant

KE₀ + PE₀ = KE₁ + PE₁

0 + mg(6) = ½mv₁² + mg(5)

½mv₁² = mg(6 - 5)

v = √(2g(1)) = 4.4 m/s

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3 years ago
Why are the significantly more thunderstorms in Florida than in California?
Andreyy89
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3 years ago
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3 years ago
(a) What is the fluid speed in a fire hose with a 9.00-cm diameter carrying 80.0 L of water per second? (b) What is the flow rat
son4ous [18]

Answer:

12.5752053801 m/s

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d = Diameter of pipe = 9 cm

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The flow of fluid does not depend on the type of water used. Hence the answers would be same. If Q is constant v will be the same irrespective of the type of water used.

8 0
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