What is the speed of a wave with a wavelength of 3 m and a frequency of. 1 Hz?

a

0.03 m/s

3.1 m/s

0.3 m/s

d

30 m/s

Two students walk in the same direction along a straight path at a constant speed-one at 0.90 m/s and the other at 1.90 m/s. •How far would the students have to walk so that the faster student arrives 5.50 min before the slower student? A.) 460s B.

Explain why energy is necessary to chemical reactions, and describe some common sources of energy.

What happens when a ball colloids with another ball

A rock is suspended from a scale reads 20.0 N. A beaker of water is raised up so the rock is totally submerged in the water. The scale now reads 12.5 N. What is the density of the rock?

suppose that g (x) equals f (x + 1) - 3 which statement best compares the graph of g (x) with the graph of f (x)

When two bodies are charged, the total charge before and after charging remains the same because of: a. quantization of charges c. law of induction b. conservation of charges d. Coulomb's law

Two water balloons of mass 0.75 kg collide and bounce off of each other without breaking. Before the collision, one water balloon moved at a velocity of 3.5 m/s east, while the other moved at a velocity of 2.75 m/s west.

A solvent is A. a substance that is dissolved in a solution. B. a substance that causes other substances to enter the plasma phase. C. a substance that causes protons to be extracted from the nucleus. D. a substance that dissolves another substance.

This type of wave is reflected by particles in the ionosphere

a boy stands 80m in front of a tall cliff and produces sound by clapping two planks together. A girl standing next to him time the return of the echo at 0.5. how fast does sound wave travel in this place