Physics, 30.10.2019 01:31 lily539711
The spring of constant k = 24 n/m is unstretched when the slider of mass m = 8 kg passes position b. if the slider is released from rest in position a and r = 0.4 m, determine: (a) its speed as it passes points b and c, (b) what is the normal force exerted by the guide on the slider at position c? neglect friction between the mass and the circular guide, which lies in a vertical plane.
Answers: 3
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The focal length of a relaxed human eye is approximately 1.7 cm. when we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. (a) does the refractive power of our eyes increase or decrease by 16 diopters when we focus closely? explain. (b) calculate the focal length of the eye when we focus closely.
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He viscosities of several liquids are being compared. all the liquids are poured down a slope with equal path lengths. the liquid with the highest viscosity will
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The spring of constant k = 24 n/m is unstretched when the slider of mass m = 8 kg passes position b....
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