1. A boy cycles continuously through a distance of 1.0km in 5 minutes. Calculate his average speed.

Which branches of natural science include the study of an organism that lived 10 million years ago

As the distance from a magnet increases, what happens to the magnet force?

Calculate the numbers of photons having a wavelength of 10.0 mm required to produce 1.0 kj of energycalculate the numbers of photons having a wavelength of 10.0 mm required to produce 1.0 kj of energy