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Physics

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Kip Strosin

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โˆ™ 1y ago
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Cards in this guide (14)
Which law states that the total momentum does not change when it is transferred

The law of conservation states that the total momentum does not change when it is transferred.

All objects change velocity as they move toward earth at a rate of 9.8 ms2 due to which factor of gravity

acceleration

A desk weighs 500 N with gravity applying that force downward If you apply 275 N upward force and a friend helping you applies 275 N upward force what is the net force applied

50 N upward

Force can be calculated as pressure x area Which of the following will produce the most force

10 p over 10 m2

What creates the lift that allows gliders to fly

Unequal Pressure

The aircraft's wing is shaped so that the air passing over the wing moves faster than the air under the wing causing a positive pressure differential, thus creating lift. In simpler terms, it is the air moving above the wing, not below the wing, that causes lift.

What will happen if too much tension force is exerted on a spring

the spring will snap

Which fundamental force contributes to pressure in both water and the atmosphere

gravity

What is the method used to produce nuclear energy in power plants

nuclear fission

What best describes thermal energy

energy of molecular motion

For which of these would the buoyant force of air be greatest a bird hotair ballon an airplane

it would be the same for all

Which of these is a type of drag force turbulence tension thrust and compression

turbulence

What following objects has the greatest density in grams

50 gram object that is 25 cm

³

What would be the change in velocity for a 10 gram object dropped from the roof of a 20 meter building if it takes 2 seconds to reach the ground Hint acceleration due to gravity is 98 msยฒ

In two seconds of fall, the speed increases 19.6 meters (64.4 feet) per second.

The magnitude of velocity increases by that amount, while the direction of velocity

doesn't change.

What is the si unit for pressure which is equal to 1 n exerted over 1m 2

That unit has the special name "pascal".

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Force can be calculated as pressure x area Which of the following will produce the most force

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A desk weighs 500 N with gravity applying that force downward If you apply 275 N upward force and a friend helping you applies 275 N upward force what is the net force applied

Speed is calculated by distance over what other factor

Brittney can run 100 meters in 12 seconds at a constant speed What is her speed in meters per second

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