A sound wave has a frequency of 192Hz and travels the length of a football field, 91.4m in 0.267s. What is the period?

What are some examples of Chemical changes that happen at school?

An electromagnetic wave that has a higher frequency:

The mesure of the energy of motion of particles of matter

Why would a person in north america not see the solar eclipse shown here?

A horizontal force of 50 N is applied to the object.

If a cart of 4 kg mass has a force of 8 newtons exerted on it, what is its acceleration?

Why does the liquid thermometer work?

What energy do electrons have when they are farther away from the nucleus?

200 525000 lololo Boat A is 10 km north of a port. Boat B is 5 km east of the same port. Boat A sails in a straight line towards boat B. Work out the bearing on which boat A sails.

Is Li greater than He on the periodic table?