Un ciclista pasea y a los 10 segundos su velocidad es de 7.2 m/s. en ese instante ve un perro y empieza frenar durante ocho segundos hasta que detiene. Calcula la aceleración hasta que comienza frenar?

The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is

Two polarizers are oriented at 40∘ to each other and plane-polarized light is incident on them. if only 16 percent of the light gets through both of them, what was the initial polarization direction of the incident light?

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