A sound wave has a frequency of 425 Hz. What is the period of this wave? 0. 00235 seconds 0. 807 seconds 425 seconds 850 seconds.

An ideal spring has a spring constant (force constant) of 2500 n/m, is stretched 4.0 cm, how much elastic potential energy does it possess? (a) 3j (b) 0.00j (c) 1j (d) 2j (e) 4j

Which atomic model was proposed as a result of j. j. thomson’s work?

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system