A hockey stick stores 4.2 J of PE when it is bent 3.1 cm. Treating the hockey stick as a spring. What is the spring constant​

If a spring has a k value of 100 newtons per meter and it is stretched 0.50 meters, what is the restoring force of the spring?

Ascientist wants to test ways to reduce pollution in lake . what is the bestway of doing this

Which type of reaction is shown in this energy diagram? energy products activation energy reactants time o a. endothermic, because energy is released to the surroundings o b. exothermic, because energy is absorbed from the surroundings o c. exothermic, because energy is released to the surroundings o d. endothermic, because energy is absorbed from the surroundings