Need
how far does a horse travel if it gallops at an average speed of 25.0km/hr for 30.0min?

Which branches of natural science include the study of an organism that lived 10 million years ago

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

You have 80 g of 60oc water and 80 g or 10oc water. what is the final temperature when the two are mixed? explain.