The wavelength of sound wave is 30 m. Frequency is 7 Hz. What is the wave speed

How do i write in standard form 20000 degrees celsius?

A girl pulls a sled with a force of 15 N over a distance of 3 m. What is the kinetic energy of the sled after she pulls it? Assume there is no friction.

Which type of seismic wave can pass through the earths mantle and core

A 5 N force pushes on the right side of a box. At the same time, a 10 N force pushes on the left side of the box. What happens to the box?

What new characteristic did John Dalton add to the model of the atom? An atom is a round, solid mass. An atom has a massive, positive center. An atom is made up of smaller particles. An atom can join with other kinds of atoms.

Which is the best analogy of a wave? -A wave is like building a ramp. -A wave is like shaking a hand. -A wave is like water rippling in a pond. -A wave is like knocking down a building.

you can produce a sound by plucking a string or by blowing in a pipe. how are these two ways of producing sound are similar

What would provide specific information about the materials in the equipment used in a certain experiment

The wavelength of sound wave is 30 m. Frequency is 7 Hz. What is the wave speed

The blood vessels that carry blood away from the heart to the rest of the body are