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

Match each disease to the correct pathogen type. A. Virus Yeast infection B. Fungus Flu C. Protist Malaria
Brazil is the world's largest producer of: wheat cotton rice coffee
what is the period of a cosine and sine function
What is happening in this cartoon
Why was the bill of rights added to the u.s. constitution?
The concession stand is selling hot dogs and hamburgers at a game. At halftime, they sold a total of 78 hot dogs and hamburgers and brought in $105.50. How many
Why was succession important in england in 1688?
what is 5 squared? please help me
Ivan biked 1 whole 2/3 on Monday, 2 wholes 1/3 hours on Tuesday, and 2 wholes 2/3 on Wednesday. What is the total number of hours Ivan spent biking?
A set of water waves travels at 10.0 m/s, and 4.0 waves pass you in 2.0 s. what is the wavelength of the waves?