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05-08-2016
Physics

contestada

When a 0.1-kilogram pendulum bob reaches the top of its swing, how much kinetic energy does it have?
a. 0j
b. 0.1j
c. 4.9j
d. 9.8j

Respuesta :

05-08-2016

When ANY pendulum bob reaches the top of its swing,
it stops momentarily and then begins to drop. At the instant
when it stops, its kinetic energy is zero.

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