The accepted value for the acceleration due to gravity is 9.8 m/s2. What factors do you think are responsible for the difference between your experimental result and the accepted value?

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant

The law of the conservation of momentum says that the total momentum of any closed and isolated system cannot

You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.