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5. A 35 kg child dives on a sled with a force of 200 N. Ignoring the mass of the sled and the effects of
friction, calculate the acceleration of the child. Report your numerical answer to the nearest tenth and
include units.
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How much energy must a refrigerator absorb from 225 g of water so that the temperature of the water will drop from 35°c to 5°c

Describe cytokinesis in plants and animals. in animals: in plants.

An ideal otto cycle has a compression ratio of 8. at the beginning of the compression process, air is at 95 kpa and 27°c, and 750 kj/kg of heat is transferred to air during the constant-volume heat-addition process. assuming constant specific heats at room temperature, determine (a) the pressure and temperature at the end of the heat-addition process, (b) the net work output, (c) the thermal efficiency, and (d) the mean effective pressure for the cycle. (4390 kpa, 1730 k; 423 kj/kg; 56.4%; 534 kpa)