Heat engine X has an efficiency of 67%. Heat engine Y has an efficiency of 82%. Which best compares these two heat engines? Heat engine X moves more thermal energy from cold to warm areas than heat engine Y. Heat engine X releases more energy to the surroundings than heat engine Y. Heat engine Y releases more energy to the surroundings than heat engine Y. Heat engine Y moves more thermal energy from cold to warm areas than heat engine X.
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Atorque acting on an object tends to produce a. equilibrium b. rotation c. linear motion d. velocity e. a center of gravity
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A980-kg sports car collides into the rear end of a 2300-kg suv stopped at a red light. the bumpers lock, the brakes are locked, and the two cars skid forward 2.6m before stopping. the police officer, estimating the coefficient of kinetic friction between tires and road to be 0.80, calculates the speed of the sports car at impact. what was that speed?
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Heat engine X has an efficiency of 67%. Heat engine Y has an efficiency of 82%. Which best compares...
Mathematics, 14.06.2020 01:57
Mathematics, 14.06.2020 01:57
Mathematics, 14.06.2020 01:57