subject
Physics, 13.07.2019 18:20 kingbolt1

Multiple choice scenerios (circle the correct answer(s)) q1. (14 pts) a light aluminum ball and a heavy lead ball of the same size are allowed to roll down a. an incline. the ball with the greatest angular velocity when halfway down the incline is a) aluminum (2 pts) 8) lead d) not enough information c)same for both when they are halfway down the incline, they will have identical a) potential energies. (4 pts) c) momentum d) inertias b) kinetic energies. enone of the above choices b. two identical pool balls, each moving at 3 m/s, roll toward each other and collide. suppose after bouncing apart, each moves at 6 m/s. this collision violates conservation of (4 pts) a) momentum. d) none of the these. b) energy. c) both momentum and energy a car that travels twice as fast as another when braking to a stop will skid c. (4 pts) b) four times as far. c) depends on the mass of the cars a) twice as far.

ansver
Answers: 3

Another question on Physics

question
Physics, 22.06.2019 05:30
Aforklift raises a 1,020 n crate 3.50 m up to a shelf. how much work is done by the forklift on the crate? the forklift does j of work on the crate.
Answers: 2
question
Physics, 22.06.2019 12:00
In which of the following would the particles move most rapidly? a. ice at -20 °c b. water at 20 °c c. steam at 110 °c d. boiling water e. ice at 0 °c
Answers: 1
question
Physics, 22.06.2019 12:00
In a set amount of time, a battery supplies 25j of energy to an electric circuit that includes two different loads. one of the loads produces 10 j of heat energy during this time interval. how much heat energy is produced by the second load in this time? explain your answer
Answers: 3
question
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
You know the right answer?
Multiple choice scenerios (circle the correct answer(s)) q1. (14 pts) a light aluminum ball and a he...
Questions
Questions on the website: 13722361