Which structures protect the cell? Check all that apply.

- cell wall

- cell membrane

- mitochondrion

- nucleus

- ribosome

- Golgi body

What is the impulse of a 3 kg object accelerating from rest to 12 m/s

Sound waves strike a glass and cause it to shatter. This phenomenon illustrates (1) resonance (3) reflection (2) refraction (4) diffraction

You are on an airplane that is landing. The plane in front of your plane blows a tire. The pilot of your plane is advised to abort the landing, so he pulls up, moving in a semicircular upward-bending path.

A charged particle A exerts a force of 2.65 N to the right on charged particle B when the particles are 13.8 mm apart. Particle B moves straight away from A to make the distance between them 19.0 mm. What vector force does particle B then exert on A

Why does water rise after passing over the heating element

Three liquids are at temperatures of 5 ◦C, 25◦C, and 34◦C, respectively. Equal masses of the first two liquids are mixed, and the equilibrium temperature is 17◦C.

The air you breathe is an example of a (n) ?

How do fluids move? Explain.

How does the interior of the earth relate to what occurs on the surface?

If a atom loses a neutron what happens