A 6.40 kg pendulum begins to swing from rest at a height of 1.05 m. After it swings through the lowest point and up the other side, it only reaches a maximum height of 0.985 m. How much of its total energy did the pendulum lose during the swing from
One side to the other?

The pendulum lost 4.08 ) of energy.
The pendulum lost 65.9) of energy.
The pendulum lost 61.8 J of energy.
The pendulum lost no energy.

19 hertz bruh u trippin? ?

Scientific classification

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The boat's velocity relative to the riverbank can be resolved into two components. the component going north is 2.7 m/s and the component going west is 1.2 m/s.we add these two vectors and then find the magnitude of the resultant to get the speed.the magnitude of the resultant vector from adding can be obtained by the pythagorean theorem.    to two significant figures, the boat's speed relative to the riverbank is 3.0 m/s.