Physics, 07.04.2020 16:57 prudencerufus
The triceps muscle in the back of the upper arm is primarily used to extend the forearm. Suppose this muscle in a professional boxer exerts a force of 2.25 × 103 N with an effective perpendicular lever arm of 2.75 cm, producing an angular acceleration of the forearm of 145 rad/s2. What is the moment of inertia of the boxer’s forearm?
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Physics, 21.06.2019 23:00
For general projectile motion, when the projectile is at the highest point of its trajectory, its acceleration is zero? a)the horizontal and vertical components of its velocity are zero. b) its velocity is perpendicular to the acceleration. c)the horizontal component of its velocity is zero. d)its velocity and acceleration are both zero.
Answers: 1
Physics, 22.06.2019 21:00
Describe how the motion of a spring being pushed forward and backward is similar to the motion of air particles in a sound wave.
Answers: 1
The triceps muscle in the back of the upper arm is primarily used to extend the forearm. Suppose thi...
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