Physics, 29.06.2019 00:30 tiarafaimealelei
Alarge stick is pivoted about one end and allowed to swing back and forth with no friction as a physical pendulum. the mass of the stick is 4.8 kg and its center of gravity (found by finding its balance point) is 1.4 m from the pivot. if the period of the swinging stick is 9 seconds, what is the moment of inertia of the stick about an axis through the pivot
Answers: 3
Physics, 22.06.2019 10:40
Two point charges are on the y axis. a 3.90-µc charge is located at y = 1.25 cm, and a -2.4-µc charge is located at y = −1.80 cm. (a) find the total electric potential at the origin. v (b) find the total electric potential at the point whose coordinates are (1.50 cm, 0). v
Answers: 1
Physics, 22.06.2019 11:30
(2) (a) you have a simple circuit that consists of only a battery (δvbat=1.5v) and two resistors with resistance r1=10ω and r2=5ω, connected in series with each other. what is the current running through the battery? (b) you re-arrange your circuit so now r2 is attached in parallel to r1 rather than in series. what is the current running through the battery? (c) you add an additional resistor r3=7ω on the same branch as r2. what is the current running through the battery? (d) what is the power dissipated in r3?
Answers: 3
Alarge stick is pivoted about one end and allowed to swing back and forth with no friction as a phys...
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