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Author Question: A 0.50-kg object is attached to an ideal spring of spring constant (force constant) 20 N/m along a ... (Read 324 times)

ericka1

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on: Jul 29, 2018
A 0.50-kg object is attached to an ideal spring of spring constant (force constant) 20 N/m along a horizontal, frictionless surface. The object oscillates in simple harmonic motion and has a speed of 1.5 m/s at the equilibrium position.
 
  At what distance from the equilibrium position are the kinetic energy and potential energy of the system the same? A) 0.017 m
  B) 0.029 m
  C) 0.12 m
  D) 0.17 m

Question 2

A 400-g stainless steel tea kettle containing 500 g of water is on the stove. The portion of the tea kettle that is in contact with the heating element has an area of 0.090 m2 and is 2.0 mm thick.
 
  At a certain moment, the temperature of the water is 75C, and it is rising at the rate of 3.0C per minute. What is the difference in temperature between the inside and the outside of the bottom of the tea kettle? Assume that the inner surface of the kettle is at the same temperature as the water inside. The thermal conductivity of stainless steel is 16.3 W/m  K, the specific heat of the steel is 448 J/kg  K, and the specific heat of water is 4186 J/kg  K. A) 2.2C
  B) 1.5C
  C) 1.1C
  D) 0.50C
  E) 0.15C
Physics ¦ Walker ¦ 5th Edition
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chevyboi1976

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Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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ericka1

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Reply 2 on: Jul 29, 2018
:D TYSM

ktidd

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Reply 3 on: Yesterday
Wow, this really help

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