Explain the motion of two bodies attached to the ends of a string that passes over a frictionless pulley no trolls and only answer if you know if you troll you will be reported​

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!

J. j. thomson’s experiment disproved the theory that an atom

Rank the automobiles based on the magnitude of the force needed to stop them, from largest to smallest.2000 kg car going 5m/s500 kg car going 20 m/s1000 kg car going20m/s500 kg car going10m/s1000 kg car going10/s4000 kg car going 5m/s 0 0 603