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1) Suppose that velocity is given by v = 714. Find the displacement (s) as a...
1. Note: Drawings are not to scale.) You are given two objects, each with the same...
1. Note: Drawings are not to scale.) You are given two objects, each with the same mass. One object is a solid, uniform disk of outer radius R The other object is a thin, uniform rod of unknown length Initially these objects are suspended as shown (each from a frictionless pin located on its uppermost edge). When allowed to oscillate freely as pendulums (through small angular displacements), they have equal frequencies. disk rod Then the rod is removed from its...
please answer as many questions as possible. I will “thumb up” the answers. Thanks! 1. You are on a boat, which is bobbing up and down. The boat's vertical displacement y is given by y 1.2...
please answer as many questions as possible. I will “thumb up” the
answers. Thanks!
1. You are on a boat, which is bobbing up and down. The boat's vertical displacement y is given by y 1.2 cos(t). Find the amplitude, angular frequency, phase constant, frequency, and period of the motion. (b) Where is the boat at t 1 s? (c) Find the velocity and acceleration as functions of time t. (d) Find the initial values of the position, velocity, and...
1. Conceptual questions: (This one should take less than 5 minutes. Manage your time!) a) For...
1. Conceptual questions: (This one should take less than 5 minutes. Manage your time!) a) For a total internal reflection to occur, the incident angle of a light should be (greater/smaller) than the refractive angle. N S N s . b) Two identical bar magnets are given to the right. At point a, b, and c, the directions of the net magnetic fields are to the and (left? Or right?), respectively. b C c) A polarized electromagnetic wave passes through...
(Dynamics Examination) ist 1, S: 4 If a partide moves along a curve with a constant...
(Dynamics Examination) ist 1, S: 4 If a partide moves along a curve with a constant speed, then its tangential component of acceleration is A: zero. B: positive. C. constant D: negative. 2. 单选题的重点 The position, s. is given as a function of angular positione. as s = 10 sin(28). The velocity, v, is A: 20 sin(2) B: 20 cos(20) C: 20 w cos(20) D: 20 w sin(2) 3. S10 The 15-kg disk is pinned at and is initially at...
1. Note: Drawings are not to scale.) You are given two objects, each with the same mass. One object is a solid, uniform disk of outer radius R The other object is a thin, uniform rod of unknown length Initially these objects are suspended as shown (each from a frictionless pin located on its uppermost edge). When allowed to oscillate freely as pendulums (through small angular displacements), they have equal frequencies. disk rod Then the rod is removed from its...
please answer as many questions as possible. I will “thumb up” the
answers. Thanks!
1. You are on a boat, which is bobbing up and down. The boat's vertical displacement y is given by y 1.2 cos(t). Find the amplitude, angular frequency, phase constant, frequency, and period of the motion. (b) Where is the boat at t 1 s? (c) Find the velocity and acceleration as functions of time t. (d) Find the initial values of the position, velocity, and...
1. Conceptual questions: (This one should take less than 5 minutes. Manage your time!) a) For a total internal reflection to occur, the incident angle of a light should be (greater/smaller) than the refractive angle. N S N s . b) Two identical bar magnets are given to the right. At point a, b, and c, the directions of the net magnetic fields are to the and (left? Or right?), respectively. b C c) A polarized electromagnetic wave passes through...
(Dynamics Examination) ist 1, S: 4 If a partide moves along a curve with a constant speed, then its tangential component of acceleration is A: zero. B: positive. C. constant D: negative. 2. 单选题的重点 The position, s. is given as a function of angular positione. as s = 10 sin(28). The velocity, v, is A: 20 sin(2) B: 20 cos(20) C: 20 w cos(20) D: 20 w sin(2) 3. S10 The 15-kg disk is pinned at and is initially at...
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