In a football game, running back is at the 15-yard line and running up the field towards the 60-yard line and runs for 4 seconds at 9 yd/s. What is his current position (in yards)?

Which of the following are considered noble gases? a. bromine b. neon c. argon d. chlorine

We have a colorless transparent liquid. it looks like water. we seperated it into a solid and a liquid by evaporration and condention was this a chemichal or a physical seperation a. chemical seperation b. physical seperation

Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?