Physics, 08.12.2019 16:31 smortandsons
Many plants produce brightly colored flowers with sweet nectar to attract pollinators such as bees who will spread their pollen from plant to plant. explain what type of symbiotic relationship this is and how the flowers and bees are affected
Answers: 2
Physics, 21.06.2019 15:30
A1kg cart slams into a stationary 1kg cart at 2 m/s. the carts stick together and move forward at a speed of 1 m/sl. determine whether kinetic energy was conserved in the collision. use the law of conservation of energy to explain the collision
Answers: 3
Physics, 22.06.2019 04:00
When the force acting on an object points at least partially in the direction of the motion the work done is considered to be negative
Answers: 2
Physics, 22.06.2019 14:00
Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system
Answers: 1
Physics, 22.06.2019 14:20
4r-134a enters the condenser of a residential heat pump at 800 kpa and 50°c at a rate of 0.022 kg/s and leaves at 750 kpa subcooled by 3°c. the refrigerant enters the compressor at 200 kpa superheated by 4°c determine (a) the isentropic efficiency of the compressor, (b) the rate of heat supplied to the heated room, and (c) the cop of the heat pump. also, determine (d) the cop and rate of heat supplied to the heated room if this heat pump operated on the ideal vapor-compression cycle between the pressure limits of 200 and 800 kpa. (0.757, 4.37 kw, 5.12, 6.18, 3.91 kw)
Answers: 3
Many plants produce brightly colored flowers with sweet nectar to attract pollinators such as bees w...
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