1. Malik is throwing rocks into a lake. He throws a 1 kg rock that travels 5 m/s immediately after it left his hand. He also throws a 0.5 kg rock that travels 8 m/s immediately after it left his hand. Which rock did Malik throw the hardest? Explain your answer. How do you know which rock Malik threw the hardest?

please help me lol
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Which is not one of the major climate zones? question 3 options: rain forest polar tropical temperate

Asteam power plant operates on an ideal reheat rankine cycle between the pressure limits of 15 mpa and 10 kpa. the mass flow rate of steam through the cycle is 12 kg/s. steam enters both stages of the turbine at 500°c. if the moisture content of the steam at the exit of the low-pressure turbine is not to exceed 10 percent, determine (a) the pressure at which reheating takes place, (b) the total rate of heat input in the boiler, and (c) the thermal efficiency of the cycle. also, show the cycle on a t-s diagram with respect to the saturation lines. (2.15 mpa; 45.0 mw; 42.6%)

The slope of a velocity time graph over any interval of time gives the during that interval