Physics, 23.11.2019 02:31 rainbow6e

The return-air ventilation duct in a home has a cross-sectional area of 900 cm^2. the air in a room that has dimensions 5.0 m x 11.0 m ×x 2.4 m is to be completely circulated in a 50-min cycle.
1) what is the speed of the air in the duct? (express your answer to two significant figures.)

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 04:50, andrewsaul04

The position of a crate sliding down a ramp is given by x=(0.05t^3) m, y=(1.7t^2) m, z=(6−0.85t^5/2) m, where t is in seconds. (a) determine the magnitude of the crate's velocity when t = 2 s. (b) determine the magnitude of the crate's acceleration when t = 2 s.

Answers: 2

continue

Physics, 22.06.2019 14:00, eden1017

Estimate the change in the gibbs energy and molar gibbs energy of 1.0dm3 of octane when the pressure acting on it is increased from 1.0 atm to 100 atm. the mass density of octane is 0.703 g cm−3

Answers: 3

continue

Physics, 22.06.2019 17:30, zabattle

Atruck driver is attempting to deliver some furniture. first, he travels 8 km east, and then he turns around and travels 3 km west. finally, he turns again and travels 13 km to his destination. what is the drivers distance

Answers: 1

continue

Physics, 23.06.2019 01:00, bendmads04

Formulating a hypothesis: part i since the investigative question has two variables, you need to focus on each one separately. thinking only about the first part of the question, mass, what might be a hypothesis that would illustrate the relationship between mass and kinetic energy? use the format of " because when writing your hypothesis

Answers: 1

continue

You know the right answer?

The return-air ventilation duct in a home has a cross-sectional area of 900 cm^2. the air in a room...