Uma pessoa exercita-se em uma esteira rolante manual. ela andou 20 minuots com velocidade de 5.4km/h e consumuiu 200 quilocalorias. qual a distancia percorrida por essa pessoa se estivesse na rua? qual seu deslocamento em relação ao solo?

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?

The dot diagram represents the motion of the motorcycle as it moves from left to right

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