Physics, 25.07.2021 14:00, hokamidat

: Hai quả cầu m1 = 200g, m2= 100g treo cạnh nhau bằng hai dây giống nhau. Nâng quả cầu m1 lên h = 4,5 m rồi thả nhẹ. a. Tính vận tốc m1 lúc sắp va chạm vào m2.
b. Tính vận tốc hai quả cầu sau va chạm, biết va chạm giữa chúng là va chạm mềm.
c. Sau va chạm, hai quả cầu được nâng lên độ cao cực đại bằng bao nhiêu?

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 20:00, tanabugg

Afixed electric space heater wired by a cable with an ampacity of 30 a should draw a maximum current of a. 30 a. b. 24 a. c. 15 a. d. 27 a.

Answers: 2

continue

Physics, 22.06.2019 12:00, fryday2516

Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0° to the ground. how long will the ball be in the air before it lands? how far will the football travel before it lands?

Answers: 1

continue

Physics, 22.06.2019 12:00, AleciaCassidy

Apatient has a history of poor nutrition. he has skin rashes, bleeding gums, and a cut that hasn’t healed in a long time. what vitamin deficiency most likely caused this symptom?

Answers: 3

continue

Physics, 22.06.2019 12:30, cardsqueen

Consider a hydrogen atom in the ground state. what is the energy of its electron? =e= jj now consider an excited‑state hydrogen atom. what is the energy of the electron in the =5n=5 level? =e5= j

Answers: 3

continue

Do you know the correct answer?

: Hai quả cầu m1 = 200g, m2= 100g treo cạnh nhau bằng hai dây giống nhau. Nâng quả cầu m1 lên h = 4,...