Physics, 28.08.2019 20:00 andy963936
15. (ufpe) a figura a seguir mostra um bloco de massa 10 kg,
apoiado sobre uma superfície horizontal. ao longo da dire-
ção horizontal, indicada pelo eixo x, o bloco encontra-se sob
a ação de uma força constante de módulo fe de uma força
constante de módulo 30 n no sentido oposto. a equação
horária da posição do bloco é dada pela expressão x =
= 150 + 12t -0,60t2, onde x é dado em metros, et é dado
em segundos. qual é o valor de f em newtons?
Answers: 2
Physics, 21.06.2019 22:30
A2 kg ball travellng to the right with a speed of 4 m/s collidees with a 5 kg ball traveling to the left with a speed of 3 m/s. take right to be the positive direction. what is the total momentum of the two balls before they collide? what is the total momentum of the two balls after they collide?
Answers: 1
Physics, 22.06.2019 07:30
The charge on a charged sphere is: a)concentrated at its centerb)distributed uniformly throughout its volumec)clustered on its centerd)distributed uniformly over its surface
Answers: 1
Physics, 22.06.2019 10:10
In a simplified model of the human eye, the aqueous and vitreous humors and the lens all have a refractive index of 1.40, and all the refraction occurs at the cornea, whose vertex is 2.60 cm from the retina. what should be the radius of curvature of the cornea such that the image of an object 40.0 cm from the cornea’s vertex is focused on the retina?
Answers: 1
Physics, 22.06.2019 12:30
Uppose we consider the system of the three capacitors as a single "equivalent" capacitor. given the charges of the three individual capacitors calculated in the previous part, find the total charge qtot for this equivalent capacitor. express your answer in terms of v and c.
Answers: 2
15. (ufpe) a figura a seguir mostra um bloco de massa 10 kg,
apoiado sobre uma superfície hori...
apoiado sobre uma superfície hori...
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