JeonTaekook
23.02.2021 •
Physics
Two masses are compressed against a spring as shown in the
figure; the system is at rest. The mass of m1 is 1.2 kg and m2
has a mass of 1.8 kg. When the masses are released, m2
travels to the right at 2.0 m/s. What is the speed of m1 after
the spring is released? Assume the horizontal surface is
frictionless.
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Ответ:
(A)energy lost in the lever due to friction
(C) visual estimation of height of the beanbag
(E)position of the fulcrum for the lever affecting transfer of energy