Calculate the sum of the following numbers to the appropriate number of significant figures. 32.567 + 135.0 + 1.4567

The boy of mass 30 kg is at r1= 2 meters from the fulcrum. of the girl is 45 kg, at what r2 must she sit so that they are balanced ?

Question part points submissions used suppose that 2 j of work is needed to stretch a spring from its natural length of 26 cm to a length of 36 cm. (a) how much work is needed to stretch the spring from 28 cm to 32 cm? (round your answer to two decimal places.)

The combining of light nuclei is called blank. blank as in not actually blank. you know what im tryin to say.