A spring 20 cm long is stretched to 25 cm by a load of 50 N. What will be its length when
stretched by: 100 N assuming that the elastic
limit is not reached?​

Ahypothesis is? close agreement by competent observers of observations of the same phenomena. a guess that has been tested over and over again and always found to be true. an educated guess that has yet to be proven by experiment. the long side of a right triangle. a synthesis of a large collection of information that includes guesses.

The earth is constantly spinning on its axis, like you might spin a basketball on your finger. it is this spinning of the earth that causes

What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?