un muchacho de 65kg y una muchacha de 45kg ambos se encuentran en patines sobre un pista de hielo. el muchacho empuja a la muchacha y ella se mueve hacia el oeste con una velocidad de 3m/s encuentre la velocidad de retroceso del muchacho

Atown is considering building a biodiesel power plant that would burn biomass to generate electricity. which of the following correctly lists an advantage and a disadvantage of this project?

The motor m applies a time-varying force of f (200 t) n, where t is in seconds. box b with mass 200 kg starts from rest, and the coefficients of kinetic and static friction are 0.2 and us 0.3 the acceleration due to gravity is g 9.8 m/s2 b 300 a) find the time ' when the box starts to move. b) calculate the speed of the crate at 3 s c) calculate the power delivered by the motor at t 3 s

Aria drove to the store, did some shopping, and then came home. during maria's trip, when was her displacement equal to zero?