Which of the following is not a means to reduce the rate of heat transfer by conduction through a wall?

1. Make the wall thicker

2. Choose material for the wall with higher thermal conductivity

3. Reduce the area of the wall

Shawn and his bike have a total mass of 52.9 kg. Shawn rides his bike 0.7 km in 13.2 min at a constant velocity. The acceleration of gravity is 9.8 m/s 2 . What is Shawn's kinetic energy? Answer in units of J.

What happens when a wave reflects? a. They are absorbed by the object they hit. b. They travel through the object they hit. c. They bend when they hit the medium. d. They bounce off the object they hit.

Which of the following is the most recent addition to the accepted model of the atom? A. Elections from a cloud around the nucleus. B. Neutrons orbit the nucleus along circular. C. Protons are located in the nucleus. D.

Kepler-186f is much closer to the sun than earth is to its sun. why is it considered to be in the habitable zone even though it's close to a sun

Someone can learn something fully but not demonstrate that knowledge effectively through performance. T/F

How would you calculate power if work is not done?

Equipotential surface A has a potential of 5650 V, while equipotential surface B has a potential of 7850 V. A particle has a mass of 5.40 10-2 kg and a charge of 5.10 10-5 C. The particle has a speed of 2.00 m/s on surface A.

Scientists develop theories to explain natural events. What causes scientists to reject even long-held theories and replace them with newer theories?

A car traveling at 40 m/s starts to decelerate steadily. It comes to a complete stop in 5 seconds. What is its acceleration? m/s2

The majority of pelagic sediments are of which type? A. Terrigenous B. Biogenous C. Hydrogenous D. Cosmogenous