Consider a blackbody that radiates with an intensity I1I1I_1 at a room temperature of 300K300K. At what intensity I2I2I_2 will this blackbody radiate when it is at a temperature of 400K400K

How many bones are in a human body

If a substance has a temperature of absolute zero, what can you say about the kinetic energy of the substance's particles

The mechanical advantage of a machine is the number of times a ma-chine increases a. the distance an object is moved. b. the amount of friction. c. the change in direction. d. the force exerted on the machine.

Will give brainliest! Which of the following affects the speed of a planet's revolution? A. Shape of the planet B. Gravity of the sun C. Temperature of the sun D. Atmosphere of the planet

36 The height of a 30-story building is approximately (1) 10^0 m (3) 10^2 m (2) 10^1 m (4) 10^3 m

What is the most useful property of semi-metals

Which of the following is most likely to have a volume of 75 cm³? A. a stereo system B. a laptop computer C. a portable mp3 player D. a plasma screen television

What was Issac Newton's contribution to our understanding of the fundamental forces of the universe? (Gravity, electromagnetic, strong force, weak force)

Q1) A motor has a rating power of 20 W and motor is used for 10 s. Calculate the energy supplied to the motor,

Why can't the efficiency of a heat engine be 100%?