The speed of. A car was 50 m/s and the distance travelled was 10 m. What was the time it took? Can I get a Hint please?

10 newton object is placed 3 meters from the fulcrum. at what distance on the other side would you need to place a 15 newton object to balance the lever? show your work!

If a balloon is taken outside on a very cold day, what will occur?

In which of the following is positive work done by a person on a suitcase