Physics, 08.01.2022 21:30 cxttiemsp021
A force of constant magnitude pushes a box up a vertical surface, as shown in the figure. The box moves at a constant speed. If the mass of the box is 3.1 kg, it is pushed 2.5 m vertically upward, the coefficient of friction is 0.35, and the angle is 30.0°, determine the following.
Answers: 3
Physics, 22.06.2019 11:00
A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n
Answers: 3
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
Physics, 22.06.2019 15:30
Charge is distributed along the entire x-axis with uniform density λ. how much work does the electric field of this charge distribution do on an electron that moves along the y-axis from y = a to y = b? (use the following as necessary: a, b, ε0, λ, and q for the charge on an electron.)
Answers: 3
A force of constant magnitude pushes a box up a vertical surface, as shown in the figure.
The box...
History, 20.09.2020 17:01
English, 20.09.2020 17:01
Mathematics, 20.09.2020 17:01
Computers and Technology, 20.09.2020 17:01
Advanced Placement (AP), 20.09.2020 17:01
English, 20.09.2020 17:01
Biology, 20.09.2020 17:01
Biology, 20.09.2020 17:01
World Languages, 20.09.2020 17:01