Water is pumped from a lake to an elevated pond using a pump with pumping power (power delivered to fluid) of 3 kW. There is 35 m difference in the elevations of the free surfaces and the lake. The total head loss of the system is computed to be 8 m. What is the flow rate?

Which statement best describes who the period and frequency of electromagnetic was change between gamma rays and microwaves? a) the period and frequency stay the same. b) the period increases and the frequency decreases. c) the period decreases and the frequency increases. d) the period increases and the frequency increases.

The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is transformed ⇒ as it changes into other forms of energy.

If 21.2 kcals of energy is released by this reaction, how many kj does the reaction release? (1 cal 4.184 j)