33
Select the correct answer.
What is energy?
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Physics, 17.12.2020 01:00 QueenNerdy889
33
Select the correct answer.
What is energy?
OA
OB.
Oc
OD.
OE
achange that appears in an object when force is applied
the property of a body that gives it mass
the anount of heat produced by a body
the ability of an object to undergo change
the ability of a body to move
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Awater balloon launcher uses an elastic band with a spring constant of 115 n/m to use thee launcher you stretch thee band back with a balloon n it the water balloons have a mass of 1.3 kg a) if you stretch the band by 0.8 m, what elastic force will the band exert? b) with the band stretched 0.8 m, how much elastic potential energy is stored in the spring? c) if you release the band, it pushes forward. what is the kinetic energy of the balloon when it reaches the natural length of the band? d) what is the speed of the balloon when it reaches the natural length of the band?
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The first law of thermodynamics is as follows: ∆u=q-w , which means in a system is equal to added, minus done by the system. the units for these variables are in .
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