A crowbar having the length of 1.75 m is used to balance a load of 500 N. If the distance between the fulcrum and the load is 0.5 m, calculate: (Friction is neglected] i. effort applied to balance the load ii. MA
iii. VR
iv. efficiency

The experiment was repeated many years later but the gases were mixed in a different type of container. a white solid was obtained which was xenon fluoride. predict whether you think 1) krypton and 2) radon will react with fluorine. explain reasons for your predictions

If jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, is being done.

Most short-period comets do not have randomly oriented orbits because