Answers: 2
Physics, 22.06.2019 08:30
Abike rider starts from rest and accelerates 28.0 meters down a slope in 5.00 seconds. what is her acceleration? select one: a. 3.21 m/sec2 b. 1.75 m/sec2 c. 9.80 m/sec2 d. 2.24 m/sec2
Answers: 3
Physics, 22.06.2019 12:30
Cathy is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling. cathy and her bicycle have a mass of 75 kg. assuming her bicycle is 100% efficient, what would her speed have to be?
Answers: 3
Physics, 22.06.2019 18:10
Arefrigerator uses r-134a as the working fluid and operates on the ideal vapor-compression refrigeration cycle except for the compression process. the refrigerant enters the evaporator at 120 kpa with a quality of 34 percent and leaves the compressor at 70Β°c. if the compressor consumes 450 w of power, determine (a) the mass flow rate of the refrigerant, (b) the condenser pressure, and (c) the cop of the refrigerator. (0.00644 kg/s, 800 kpa, 2.03)
Answers: 1
Physics, 23.06.2019 02:00
Consider an air-filled charged capacitor. how can its capacitance be increased?
Answers: 2
An aircraft makes a horizontal circular turn. The air craft enters the turn with velocity of v = 300...
History, 16.04.2021 06:50
Mathematics, 16.04.2021 06:50
Mathematics, 16.04.2021 06:50
Mathematics, 16.04.2021 06:50
History, 16.04.2021 06:50
Mathematics, 16.04.2021 06:50
Mathematics, 16.04.2021 06:50
Mathematics, 16.04.2021 06:50
Mathematics, 16.04.2021 06:50
Mathematics, 16.04.2021 06:50