Draw the graph of this motion showing the car starts from rest, accelerates at the rate of 3m/s until it attained a maximum velocity in 20s​

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!

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.

Mechanical energy is when the amount of kinetic and potential energies added together remains the same. conserved created lost