2 years ago

An object traveling in a circular path is accelerating because its

Physics

1 answer:

Anton [14]2 years ago

8 0

It is accelerating because the direction of the velocity vector is changing

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Which statement best explains why hydrogen’s atomic number is equal to its mass?(1 point)

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Hydrogen has one electron and one proton

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How long does it take for Saturn's equatorial flow, moving at 1500km/h, to encircle the planet?

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252.45 hours or 908820 seconds

Explanation:

The equatorial radius of Saturn is 60,268 km

The length of the equator will be circumference

$2\pi 60268$

Speed of the equatorial flow = 1500 km/h

$Time=\dfrac{Distance}{Speed}\\\Rightarrow Time=\dfrac{2\pi 60268}{1500}\\\Rightarrow Time=252.45\ h=252.45\times 60\times 60=908820\ s$

It will take 252.45 hours or 908820 seconds for the equatorial flow to encircle the planet.

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12*8A hollow steel ball weighing 4 pounds is suspended from a spring. This stretches the spring 13 feet. The ball is started in

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See attached pictures.

Explanation:

See attachments for explanation.

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2 years ago

A student is asked to describe the path of a paper airplane that is thrown in the classroom. Which statement best describes the

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The initial velocity of a 4.0-kg box is 11 m/s, due west. After the box slides 4.0 m horizontally, its speed is 1.5 m/s. Determi

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Answer:

F = - 59.375 N

Explanation:

GIVEN DATA:

Initial velocity = 11 m/s

final velocity = 1.5 m/s

let force be F

work done = mass* F = 4*F

we know that

Change in kinetic energy = work done

kinetic energy = $= \frac{1}{2}*m*(v_{2}^{2}-v_{1}^{2})$

kinetic energy = $= \frac{1}{2}*4*(1.5^{2}-11^{2})$ = -237.5 kg m/s2

-237.5 = 4*F

F = - 59.375 N

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2 years ago