Agirl delivering newspapers covers her route by traveling 3 block west, 4 blocks north, and then 6 blocks east. what is her total displacement? explain.

Assume you measured the mass of the cart to be (500 ± 1) g and the mass of the additional mass you put on the cart to be (500 ± 1) g as well. since the scale you are using in the lab cannot measure objects heavier than 600g you will have to sum up individual pieces and propagate the error. so what would be the mass and the standard error of the cart and the mass

Which of the following statement is false

Amassive tractor rolls down a country road. in a perfectly inelastic collision, a small sports car runs into the machine from behind. (i) which vehicle experiences a change of momentum of larger magnitude? a) the car does b) the tractor does c) their momentum changes are the same size d) it could be either vehicle (ii) which vehicle experiences a larger change in kinetic energy? a) the car does b) the tractor does c) their kinetic energy changes are the same size d) it could be either vehicle