What is the wavelength of a sound wave with a frequency of 50hz (speed of sound is 342 m/s?

Which statement describes an atomic nucleus? An atomic nucleus is negatively charged. An atomic nucleus has no electrical charge. An atomic nucleus consists of mostly empty space. An atomic nucleus contains most of the atom's mass.

When a high-mass main sequence star runs out of both hydrogen and helium in its core, the core begins to fuse

A lizard accelerates from 2 m/s to 10 m/s in 4 seconds. what is the lizard average acceleration

What do you like to do for fun

What would happen if cranial nerve IV was damaged.

Scientists who study races and their origins are called A. anthropologists. B. ethnologists. C. paleontologists. D. sociologists.

Why are telescopes that detect non - optical radiation useful for studying objects in space

Which of the following is not an application of Doppler technology? police speed guns weather radar ultrasound imaging of the liver determining the motion of a star

For a constant voltage, increasing the resistance will cause the current to decrease. true or false

Which of the following is an example of a testable scientific hypothesis? A) Why do plants grow better in the Sun than in the shade? B) Peacocks have prettier tail feathers than pigeons do.