Physics, 14.10.2019 18:30 studyqueen7232
Acar has a mass of 975 kg. by pushing on the car, evan increses its speed from 0.5 m/s to 3 m/s. what impulse did evan apply to the car?
a. 2925 kg m/s
b. 487.5 kg m/s
c. 2438 kg m/s
d. 1215 kg m/s
Answers: 2
Physics, 22.06.2019 03:00
Which process is represented by the pv diagram? a. the isobaric process b. the isovolumetric process c. the isothermal process d. the adiabatic process
Answers: 1
Physics, 22.06.2019 05:00
Modern physics a photon emitted from an excited hydrogen atom has an energy of 3.02 electron volts. which electron energy-level transition would produce this photon? a. n=1 to n=6 b. n=2 to n=6 c. n=6 to n=1 d. n=6 to n=2 i chose b but the correct answer is d can someone tell me why? and what's the difference?
Answers: 1
Physics, 22.06.2019 13:10
A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)
Answers: 3
Acar has a mass of 975 kg. by pushing on the car, evan increses its speed from 0.5 m/s to 3 m/s. wha...
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