What is the wave speed of a wave that has a frequency of 20 Hz and a wavelength of 30 m?

If gold gets hot enough, it will melt. What type of change is this?

In which of the following scenarios is the greatest amount of work accomplished?

How would you define a disturbance in matter, such as water?

I am looking for this answer : Which shows a correct order of steps in the scientific method? develop a hypothesis, analyze data, make observations, draw conclusions make observations, draw conclusions, develop a hypothesis, analyze data.

Two Jupiter-size planets are released from rest 7.00*1010 m apart. What are their speeds as they crash together?

The atomic emission spectra of a sodium atom on earth and of a sodium atom in the sun would be

The Mississippi River carries tons of tiny rock fragments called sediments into the Gulf of Mexico. What do u think will happen to these sediments in a few million years

True or False: If the initial speed of an object is zero, then the initial position of the object must be the origin. Explain

que potencia se disipa en un aparato eléctrico que opera con un voltaje de 60V y una corriente eléctrica de 1.5 A

List three things you have done today that used kinetic energy.