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A 1.40-kg disk starts at rest at the top of a 6.00-m high track (A). Its height at B is
4.20 m and its height at C is 1.40 m. Assuming mechanical energy conservation,
determine the potential energy (PE) and kinetic energy (KE) values at locations A,
BC, and D. Use g = 9.8 N/kg.
PEA=
KEA =
Tap on an energy box to enter or edit its value.
PEB =
A
KEB =
PEC=
KEC =
PED =
DKED=

A 140kg disk starts at rest at the top of a 600m high track A Its height at B is 420 m and its height at C is 140 m Assuming mechanical energy conservation dete class=

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