duongthithuhuong2004 duongthithuhuong2004
  • 03-11-2021
  • Physics
contestada

Câu 1. Một con lắc lò xo gồm vật nặng 200g và lò xo có độ cứng k = 200N/m. Kích thích cho con lắc dao động điều hòa với biên độ 6cm. Tính tần số góc và cơ năng dao động điều hòa của con lắc đó.

Respuesta :

doangiaphuc
doangiaphuc doangiaphuc
  • 03-11-2021
w=căn(k/m)=1
cơ năng W=1/2KA^2=1/2x200x(0,06)^2=0,36
6cm=0,06m
Answer Link

Otras preguntas

Where does the irrational number 1.8693… fall?
a joint stock company was
What are some Non examples of cultural region
The Earth’s core is made of an alloy of A. iron and nickel. B. copper and iron. C. zinc and magnesium. D. iron and zinc.
Both Kurdish and Irish unification movements Answers are - have employed violence and terrorism -resulted from ethnic minority suppression -have forced a nati
what is 8 times 10 to the third power
Sharon is 54 inches tall. tree in her backyard is five times as tall as she is. the floor of her treehouse is at a height that is twice as tall as she is. What
Britain and France signed an entente and became the a. Central Forces. c. Central Powers. b. Allied Forces. d. Axis Powers.
What is the mean to a math problem
Equivalent ratios 78:100 to 39:50