When an atoms blank become blank, the atom becomes blank

What is one of the hardest tasks for researchers?

How does the force of gravity affects an objects acceleration

Suppose you increase your walking speed from 7 m/s to 12 m/s in a period of 3 s. What is your acceleration?

A 5-kilogram rock is perched on a cliff 6 meters above a lake. How much gravitational potential energy does the rock have? OA) 30 J O B) 90 J OC) 147 OD) 294

What is a continuous range of a single feature such as a wave lengt

A spring is used in a lab. It is vibrated at different frequencies and the wavelength is recorded. Using the graph of the data, what is the relationship found between frequency and wavelength? A) Frequency and wavelength are inversely related.

How do you describe the frequency of waves perceived by the observer from the moment the source appears to the moment it disappears?

What causes the stars to appear to move across the night sky?

Two waves collide and the temporary combined waves that results is smaller that the original wave. which term describes this interaction? A. destructive interference B. standing wave formation C. diffraction D. constructive interference

What do all types of waves on the electromagnetic spectrum have in common