A lead pallet of mass 10 g leaves an air gun with a velocity of 40 m/s. What is the magnitude of potential energy stored by its spring?
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♦ Conservation of Energy ♦
→ The total energy of an Isolated System remains Constant
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According to the Theory,
→ Potential Energy of the Isolated System ( spring and the lead pellet ), was initially at its peak while the System was at rest. The transfer of Energy takes place spontaneously with all of P.E. transferring to K.E.
=> P.E. ( Spring ) + K.E. ( Lead Pallet ) = 0
=> P.E. ( Spring ) = -1/2 ( 0.01 )( 40 )² = 8 kgm s⁻²
____________________________________________________________
• Magnitude of P.E. is : | 8kgm s⁻² |
• Direction of P.E. : -ve
____________________________________________________________
• Hope that helps
♦ Conservation of Energy ♦
→ The total energy of an Isolated System remains Constant
_____________________________________________________________
According to the Theory,
→ Potential Energy of the Isolated System ( spring and the lead pellet ), was initially at its peak while the System was at rest. The transfer of Energy takes place spontaneously with all of P.E. transferring to K.E.
=> P.E. ( Spring ) + K.E. ( Lead Pallet ) = 0
=> P.E. ( Spring ) = -1/2 ( 0.01 )( 40 )² = 8 kgm s⁻²
____________________________________________________________
• Magnitude of P.E. is : | 8kgm s⁻² |
• Direction of P.E. : -ve
____________________________________________________________
• Hope that helps
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