Answered: Physics Question

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question 9 A 24.2 kg child hangs from an ideal spring and stretches it 72.3 cm from equilibrium. What is the spring constant of this particular spring?(PAMP945F20) a) O328 N/m b) O 164 N/m c) O3.28 N/m d) O 32.8 N/m e) O 16.4 N/m
Learning Goal: To understand the use of Hooke's law for a spring. Hooke's law states that the restoring force F on a spring when it has been stretched or compressed is proportional to the displacement of the spring from its equilibrium position. The equilibrium position is the position at which the spring is neither stretched nor compressed. Recall that Fx means that F is equal to a constant times. For a spring, the proportionality constant is called the spring constant and denoted by k. The spring constant is a property of the spring and must be measured experimentally. The larger the value of k, the stiffer the spring. In equation form, Hooke's law can be written F = -kz. The minus sign indicates that the force is in the opposite direction to that of the spring's displacement from its equilibrium length and is "trying" to restore the spring to its equilibrium position. The magnitude of the force is given by F = kx, where x is the magnitude of the displacement. In Haiti, public…
3. A block with mass m is connected to two springs having constant forces k₁-2k and k=k. The system is initially in equilibrium on a horizontal, frictionless surface. Then, the block is pushed d distance to the right from rest, a. Draw the free body-diagram for the system and calculate the work done by the acting all forces. b. After the block release what will be the maximum speed of the block and what will be the maximum compression of spring 1? k₁ Spring 1 Spring 2
PM1.4 please explain each step
9. Please help answer this question, thank you so much! :)
A.2042 N/m B.1042 N/m C.3042 N/m
vipMphvow7Jxcj5pBmcw/formResponse Choose the correct answer * A block of mass m = 3 kg attached to a spring with a spring constant k 150 N/m is set into vibration on a horizontal frictionless surface. At the equilibrium position, the block has a speed v 0.4 m/s. The speed v of the block when it passes through the point x = 0.04 m is equal to: %3D %3D O 0.283 m/s O 0.187 m/s ) 0.111 m/s O 0.353 m/s O 0.050 m/s Choose the corrert answer O O O
2. An un-stretched spring has a length of 0.50 m and a spring constant of 100. N/m. What force is required to stretch this spring to a length of 0.60 m?
I Review I Three identical 9.50 kg masses are hung by three identical springs (Figure 1). Each spring has a force constant of 7.10 kN/m and was 15.0 cm long before How long is the middle spring when hanging as shown? (Hint: treat the bottom two masses as a system.) Express your answer with the appropriate units. any masses were attached to it. Iм 3D 17.6 сп Submit Previous Answers Correct Part F Figure 1 of 1 How long is the top spring when hanging as shown? (Hint: treat all three masses as a system.) Express your answer with the appropriate units. HẢ lT = Value Units Submit Request Answer
A 79.2-kg climber is scaling the vertical wall of a mountain. His safety rope is made of a material that, when stretched, behaves like a spring with a spring constant of 1.30 x 103 N/m. He accidentally slips and falls freely for 0.570 m before the rope runs out of slack. How much is the rope stretched when it breaks his fall and momentarily brings him to rest? Number i Units
If two identical springs, each with a constant k, are connected end to end. Their combined constant will be __________ .(Hint: the same force stretches them twice as far) A. 4 k B. 2 k C. k D. 0.5 k
QUESTION 9 A 10-kg block is attached to one end of a horizontal spring on a level, frictionless surface. The other end of the spring is attached to a vertical support. The spring obeys Hooke's law and has a spring constant of k = 160 N/m. A physics student pulls the block outward so that the spring stretches by 40 cm. The student releases the block at time t = 0.00 s. Which of the following equations properly gives the position as a function of time? a. x(t) = (- 1.6 m/s)sin(4.0t) b. x(t) = (- 6.4 m/s2)cos(4.0t) C. x(t) = (10 m)cos(4.0t) d. x(t) = (0.40 m)cos(4.0t) e. x(t) = (4.0 m)cos(0.40t)

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