Glenn is heating water in a teakettle. The hotter water at the bottom of the kettle rises. The cooler water near the top sinks and warms. Which kind of transfer of heat is this?

A. conduction

B. convection

c. radiation

d. transmission

An aircraft has a mass of 3.30 x 105 kg. At a certain instant during its landing, its speed is 45.2 m/s. If the braking force is 3.30 x 105 N, what is the speed of the airplane 12.1 s later?

What is transferred to an object when is done A:energy B:force C:effort D:resistance

If a rocket travels 5600. km in 3.00 hours, what's it's speed?

What is the main function of using the spectroscope?

What is the most effective means of establishing awareness of hazards in commercial, industrial, and storage facilities with large fuel loads? Select one: a. Accessing code enforcement databases b. Studying plat maps and building plans c.

Explain 5 things that could cause an incorrect mass when using the triple bean balance?

A light wave with a wavelength of 612nm in a vacuum travels through a bit of fused quartz which has an index of refraction of n=1.458. Find the speed of light in the quartz.

Which subatomic particle are located in most of the space within an atom

On a distance-time graph, a line that changes direction is used to show: A. constant speed. B. changing speed. C. changing direction.

A 1100-kg car pulls a boat on a trailer. (a) what total force resists the motion of the car, boat, and trailer, if the car exerts a 1900-n force on the road and produces an acceleration of 0.550 m/s2? the mass of the boat plus trailer is 700 kg.