Physics, 23.08.2020 02:01 ayoismeisalex

Why is it harder pushing a car than pushing a bike?

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Physics, 21.06.2019 19:30, 314180

Agymnast dismounts off the uneven bars in a tuck position with a radius of 0.3m (assume she is a solid sphere) and an angular velocity of 2rev/s. during the dismount she stretches out into the straight position, with a length of 1.5m, (assume she is a uniform rod through the center) for her landing. the gymnast has a mass of 50kg. what is her angular velocity in the straight position?

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Physics, 21.06.2019 22:30, nolandh7940

The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force

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Physics, 22.06.2019 05:20, luceridiaaz

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity

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Physics, 22.06.2019 06:50, tessalopezgarcia2345

Much of the information taught in earth-space science would not be available if it weren’t for our remote sensing abilities. explain two ways our remote sensing strategies contribute to our knowledge of these topics.