A train that travel 100 kilometer in 4hours is traveling at what speed?

What is the cause of acceleration

Two objects of the same size are both perfect blackbodies. One has a temperature of 3000 K, so its frequency of maximum emission is in the infrared region of the spectrum.

If you have two pistons in a system, which exerts the larger force? The smaller piston or the larger piston Group of answer choices: smaller piston larger piston

If a person moves an object weighting 6 Newton's over a distance of 20 meters in 60 seconds. The number 6 and 20 is described what in the formula of power. A. work done B. time interval C. Power D. None of the above

67.345g rounded to the nearest 1.0 whole number

Since you've determined that the power supply is a 700W dual rail, what does that make the maximum output power?

A 2 m length of an aluminum pipe of 240 mm outer diameter and 10 mm wall thickness is used as a short column to carry a 640? centric axial load. Knowing that? = 73? P? and? = 0.

A python can detect thermal radiation from objects that differ in temperature from their environment as long as the received intensity of thermal radiation is greater than 0.60 W/m2. Your body emits a good deal of thermal radiation.

A planet has a mass of about 6.4 x 1023 kg, and its moon has a mass of about 9.6 x 1015 kg. if the magnitude of the gravitational force between the two bodies is 4.6 x 1015 n, how far apart are the planet and its moon? a. 9.4 x 106 c. 4.6 x 109 b. 2.

Is burning a nonrenewable natural gas a chemical change