How does the strong nuclear force hold the nucleus of an atom together?

a. it overcomes the electrical force of repulsion between protons in the nucleus.
b. it overcomes the electrical force of attraction between protons in the nucleus.
c. it overcomes the electrical force of repulsion between electrons in the nucleus.

If the work required to stretch a spring 3 ft beyond its natural length is 15 ft-lb, how much work is needed to stretch it 27 in. beyond its natural length?

Which of the following is not a means to accelerating? question 4 options: a)increase speed b)remain still c)decrease speed d)change direction

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