In the Conservation of energy experiment if we gently compressed the loop(with spring constant k=81.45N/m) a distance of 0.028m using a cart of mass 500g. find the velocity of the cart right after it leaves the spring

In the 1980's, congress authorized the u.s. department of energy to build the wipp facility in the chicuahuan desert in new mexico. what is the purpose of wipp?

How to calculate voltage drop in a series circuit

3. a lunar exploration vehicle was created by a research team. it weighs 3,000 kg on the earth. it needs an acceleration of 10 m/s2 on the moon. in order to have the same acceleration, what will be the net force acting on the vehicle on the earth?