two skaters the first with a mass of 70.0 kg in a second with a mass and 90.0 kg push against each other if the first skater accelerate to the left at 3.0 M/sec2 to the second what will the magnitude of the acceleration experience by the second skater

fgravity=10x10=100n case 1

fgravity=30x20=600n case 2

6 times more

the motion of a pendulum is a classic example of mechanical energy conservation. a pendulum consists of a mass (known as a bob ) attached by a string to a pivot point. as the pendulum moves it sweeps out a circular arc, moving back and forth in a periodic fashion.

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