What's the distance over which a wave's shape repeats

The four giant gas points that are made primarily of lightweight elements are

An airplane flies eastward and always accelerates at a constant rate. at one position along its path it has a velocity of 34.3 m/s, it then flies a further distance of 40100 m and afterwards its velocity is 47.5 m/s. find the airplane\'s acceleration and calculate how much time elapses while the airplane covers those 40100 m.

Name three different units of energy used to measure heat and describe what type of situations each is usually used.