A runner covers the last straigjt stretch of a race in 4 s. during that time, he speeds up from 5m/s to 9m/s.

If we say that one quantity is directly proportional to another quantity, does this mean that they are equal to each other?

Why was the idea of continental drift not initially accepted by many other scientists and the general public at the time?

Why is it important that the mouth and stomach are near the start of the digestive system? thx

Net force is 30N, mass is 80kg what is acceleration

What properties characteristics we use to tell the difference between of matter

You are standing outside during the daytime. How can you see a blade of grass? A. Light is produced by your eyes and travels out to the grass. B. Light is produced by the grass and travels straight to your eyes. C.

Are cosmic rays and gamma rays invisible or do they have color?

What element has the lowest electronegavity?

Identify two different ways you can make a yellow spotlight for a theater stage

Ian walks 2 km to his best friend's house, then walks 0.5 km to the library. He then makes a 2.5 km walk home. The entire walk took him 3 hours. What is his average speed in km/h? SHOW YOUR WORK!