Physics, 23.10.2019 17:00 heysonic91

During the first 0.925 s, we have that ay = vyf − vyi δt = 1.77 correct: your answer is correct. m/s − 0 0.925 correct: your answer is correct. s = 1.914 correct: your answer is correct. m/s2. substituting this value for ay, we have fs = mg + may = 740 correct: your answer is correct. kg · m/s2 + (75.5 kg) 1.914 correct: your answer is correct. m/s2 = 884.507 correct: your answer is correct. n. (c) when the elevator is traveling at constant speed, again we have that ay = 1.914 incorrect: your answer is incorrect. your response differs significantly from the correct answer. rework your solution from the begin

Answers: 2

Show answers

Another question on Physics

Physics, 22.06.2019 10:30

An insulated 40 ft^3 rigid tank contains air at 50 psia and 120°f. a valve connected to the tank is now opened, and air is allowed to escape until the pressure inside drops to 25 psia. the air temperature during this process is kept constant by an electric resistance heater placed in the tank. determine the electrical work done during this process.

Answers: 2

Answer

Physics, 22.06.2019 12:30

As part of your daily workout, you lie on your back and push with your feet against a platform attached to two stiff springs arranged side by side so that they are parallel to each other. when you push the platform, you compress the springs. you do an amount of work of 79.0 j when you compress the springs a distance of 0.230 m from their uncompressed length. (a) what magnitude of force must you apply to hold the platform in this position? (b)how much additional work must you do to move the platform a distance 0.230 m farther? (c) what maximum force must you apply to move the platform a distance 0.230 m farther?

Answers: 1

Answer

Physics, 22.06.2019 13:10

The atoms in a nickel crystal vibrate as harmonic oscillators with an angular frequency of 2.3 × 1013 rad/s. the mass of a nickel atom is 9.75 × 10-26 kg. what is the difference in energy between adjacent vibrational energy levels of nickel? (h = 6.626 × 10-34 j • s, , 1 ev = 1.60 × 10-19 j)

Answers: 2

Answer

Physics, 22.06.2019 21:00

The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is as it changes into other forms of energy.

Answers: 1

Answer

You know the right answer?

During the first 0.925 s, we have that ay = vyf − vyi δt = 1.77 correct: your answer is correct. m/...

Questions