If there is a big mass, it would need a stronger force to accelerate it. Which law does this describe?

If steel is more dense that lake water, why can a boat float

Use the illustration to describe how the electromagnetic spectrum changes as its frequency moves from radio waves to higher energy gamma waves in terms of wavelength and amplitude.

Ascientist plants two rows of corn for experimentation.she put fertilizer on row 1 but does not put fertilizer on row 2 both rows receive the same amount of water and light intensity she checks the growth of the corn over 5 months what is the constant in this experiment