A wave x meters long has a speed of y meters per second. The frequency of the wave is, a) x/y hertz b) y/x hertz c) Y times X hertz d) y+x hertz

Why does earth have a liquid water supply and mars does not?

Elena makes a table to organize the functions of electric motor components. Which functions belong in the cells marked X and Y? component function brush X commutator Y A.

14. A motorcycle accelerates at a rate of 4.21 m/s2 If the cyclist went from 8.2 m/s to 55.9 m/s, how long did he accelerate?

An object is dropped from a 15 m ledge. How fast it is moving just before it hits the ground?

Interference is an example of which aspect of electromagnetic radiation

Density is calculated by dividing

The one island species evolved into three different species. This is called?

Find the components of vector M shown in figure 5-7

Electrical current is actually made of a. static charges. b. moving electrons. c. high or low voltage. d. resistance within a circuit.

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