Describe an experiment to show how the maximum kinetic energy of photo electrons emitted from a metal surface can no determined. account should include a diagram , procedure, precaution and conclusion

According to newton’s law of universal gravitation, which statements are true? as we move to higher altitudes, the force of gravity on us decreases. as we move to higher altitudes, the force of gravity on us increases. as we gain mass, the force of gravity on us decreases. as we gain mass, the force of gravity on us increases. as we move faster, the force of gravity on us increases.