Neutrons add only __to an atom.

a. mass

b. ions

c. positive charge

d. negative charge

Refraction is a bending that occurs when a wave moves from one medium to another at an angle and changes speed.

As you catch a fast-moving fastball, why is it wise to move yourhand in the direction of the ball's motion? Explain in terms ofwork and energy.

2. Why was it important to examine both the color and the streak of your minerals? Think about streak and explain why it's called a mineral's "true color". Answer in at least 2 sentences.

Unpolarized light passes through three polarizing filters. The first filter has its transmission axis parallel to the z direction, the second has its transmission axis at an angle of 30.

What alignment of the moon, the sun, and the earth causes a spring tide

There is a flashing yellow light at the intersection you are approaching. What does the flashing yellow light indicate, and what should you do to safely navigate this intersection?

Rachel is making cookies. She pours 1/2 cup of oil into a bowl, followed by 1 cup of water. The oil rises to the surface of the bowl. Why?

Fluids can flow and change shape to fit their containers. Which two states are fluids?

Is jacob barnes a turd face?

A system absorbs 12 j of heat from the surroundings; meanwhile, 28 j of work is done by the system. what is the change of the internal energy δeth of the system?'