According to newton's second law of motion, when an object is acted on by an unbalanced force, how will that object respond?

a.
it will accelerate.

b.
it will decrease speed.

c.
it will increase velocity.

d.
it will stop moving.

Write the chemical symbols for three different atoms or atomic cations with 27 electrons. asap!

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.