Which law states that the total momentum does not change when it is transferred
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Definition1/13
The law of conservation states that the total momentum does not
change when it is transferred.
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Term1/13
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
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Definition1/13
50 N upward
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Term1/13
What most influences whether or not an object will float
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Definition1/13
An object's density influences its buoyancy, thus determining
whether or not an object will float
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Term1/13
Which type of force is exerted on the support ropes of a hammock when you lie in it
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Definition1/13
Tension
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Term1/13
How is sound energy produced and transmitted
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Definition1/13
by vibration of particles and fluids.
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Term1/13
Which factors must be known to calculate an object's gravitational potential energy
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Definition1/13
height and mass
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Term1/13
A speed boat is moving at a velocity of 25 ms runs out of gas and drifts to a stop 3 minutes later 100 meters away What is the rate of deceleration
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Definition1/13
0.14
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Term1/13
Which force allows hot air balloons to fly
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Definition1/13
Buoyancy allows hot air balloons to fly.
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Term1/13
What best describes thermal energy
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Definition1/13
energy of molecular motion
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Term1/13
Which of these is a type of drag force turbulence tension thrust and compression
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Definition1/13
turbulence
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Term1/13
What following objects has the greatest density in grams
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Definition1/13
50 gram object that is 25 cm
³
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Term1/13
What infroemation is needed to calculate the amount of energy needed to heat a volume of water to some temperature
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Definition1/13
You need to know the amount of water (mass), how many degrees
you want to heat it up, and the specific heat of water. Then - if
everything is in compatible units - you must simply multiply the
three together.
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Term1/13
What is the si unit for pressure which is equal to 1 n exerted over 1m 2
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Definition1/13
That unit has the special name "pascal".
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Cards in this guide (13)
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.
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
What most influences whether or not an object will float
An object's density influences its buoyancy, thus determining
whether or not an object will float
Which type of force is exerted on the support ropes of a hammock when you lie in it
Tension
How is sound energy produced and transmitted
by vibration of particles and fluids.
Which factors must be known to calculate an object's gravitational potential energy
height and mass
A speed boat is moving at a velocity of 25 ms runs out of gas and drifts to a stop 3 minutes later 100 meters away What is the rate of deceleration
0.14
Which force allows hot air balloons to fly
Buoyancy allows hot air balloons to fly.
What best describes thermal energy
energy of molecular motion
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 infroemation is needed to calculate the amount of energy needed to heat a volume of water to some temperature
You need to know the amount of water (mass), how many degrees
you want to heat it up, and the specific heat of water. Then - if
everything is in compatible units - you must simply multiply the
three together.
What is the si unit for pressure which is equal to 1 n exerted over 1m 2
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
Which type of force is exerted on the support ropes of a hammock when you lie in it
What creates the lift that allows gliders to fly
What term describes an energy resource that can be used up
Which law 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
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
Force can be calculated as pressure x area Which of the following will produce the most force
Force can be calculated as pressure x area Which of the following will produce the most force
Brittney can run 100 meters in 12 seconds at a constant speed What is her speed in meters per second
An airplane flying from Los Angeles to New York is traveling at a velocity of 1200 kilometers per hour east There is a tail wind with a velocity of 60 kilometers per hour east What is the resultant
Resultant velocity is calculated using which two math functions
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