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fernandaretanaoxwln0
21.08.2019 •
Physics
Awheel with a weight of 396 n comes off a moving truck and rolls without slipping along a highway. at the bottom of a hill it is rotating at an angular velocity of 22.7 rad/s. the radius of the wheel is 0.569 m and its moment of inertia about its rotation axis is 0.800 mr^2 . friction does work on the wheel as it rolls up the hill to a stop, at a height of above the bottom of the hill; this work has a magnitude of 3476 j . calculate "h" use 9.81 for the acceleration due to gravity.
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Ответ:
The height is 5.67 m.
Explanation:
Given that,
Weight = 396 N
Angular velocity = 22.7 rad/s
Radius = 0.569 m
Moment of inertia = 0.800 kg-m²
Work = 3476 J
We need to calculate the kinetic energy
Using formula of kinetic energy
Put the value into the formula
We need to calculate the renaming energy
We need to calculate the height
Using formula of potential energy
Put the value into the formula
Hence, The height is 5.67 m.
Ответ:
Most likely Square.
Step-by-step explanation:
If there is an image be sure to add it. A parallelogram is a type of quadrilateral, and a rectangle and a rhombus is a type of parallelogram. A square is a specific type of shape that is a combination of a rectangle and a rhombus, and therefore the most specific shape in the quadrilateral family.