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3 years ago

What acceleration will all objects experience during their flights through the air (on Earth)?

Physics

2 answers:

Salsk061 [2.6K]3 years ago

4 0

Answer:

Explanation:

Licemer1 [7]3 years ago

3 0

Answer:

9.8 m/s/s

Explanation:

As such, all objects free fall at the same rate regardless of their mass. Because the 9.8 N/kg gravitational field at Earth's surface causes a 9.8 m/s/s acceleration of any object placed there, we often call this ratio the acceleration of gravity

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If total (PE + KE) is considered

diamong [38]

The sum of Potential Energy and Kinetic Energy is called Mechanical Energy

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4 years ago

Maverick and goose are flying a training mission in their F-14. They are flying at an altitude of 1500 m and are traveling at 68

lions [1.4K]

Answer:

The bomb will remain in air for <u>17.5 s</u> before hitting the ground.

Explanation:

Given:

Initial vertical height is, $y_0=1500\ m$

Initial horizontal velocity is, $u_x=688\ m/s$

Initial vertical velocity is, $u_y=0(\textrm{Horizontal velocity only initially)}$

Let the time taken by the bomb to reach the ground be 't'.

So, consider the equation of motion of the bomb in the vertical direction.

The displacement of the bomb vertically is $S=y-y_0=0-1500=-1500\ m$

Acceleration in the vertical direction is due to gravity, $g=-9.8\ m/s^2$

Therefore, the displacement of the bomb is given as:

$S=u_yt+\frac{1}{2}gt^2\\-1500=0-\frac{1}{2}(9.8)(t^2)\\1500=4.9t^2\\t^2=\frac{1500}{4.9}\\t=\sqrt{\frac{1500}{4.9}}=17.5\ s$

So, the bomb will remain in air for 17.5 s before hitting the ground.

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3 years ago

This diagram shows a skier moving down a hill. Which statement best describes the skier? The skier has potential and kinetic ene

Troyanec [42]

May you take a picture with the diagram

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3 years ago

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A bags shed and he balls stand slap DC dmss

Natalija [7]

Answer:

is that a question...?

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3 years ago

What is the total charge of 1.0g of electrons?

Serhud [2]

<span>1.0 gram (g) of electrons would contain 10^27 electrons Electrons have an electric charge of −1.602×10−19 coulomb so total charge of 1 g electrons = -1.602 x 10^-19 x 10^27 = -1.602 x 10^8</span>

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3 years ago