I need a brief explanation on how TV remotes use infrared waves.

Carbon dioxide is a gas produced by___ and used by ___ a) photosynthesis ... carbon dioxide b) animals ... plants c) carbon dioxide ... photosynthesis d) plants ... animals

A fast-moving vw beetle traveling at 54 mph hit a mosquito hovering at rest above the road. which bug experienced the largest force? 1. the insect 2. the vw 3. unable to determine 4. they experienced the same magnitude of force

How does mass speed and gravity affect potential and kinetic energy

How many miles does the earth go around the sun?

A box of groceries requires 5.0 newtons of force to lift it up 1.0 meter. How much work is done?

Showing how a projectile motion is parabolic

In deep space, there is very little friction. Once they launch a probe into deep space, where there are no external forces acting on it, scientists shut the probe's engines off because the scientists want the probe to

What is the atmosphere and why is it important?

A loud sound is produced in the downtown section of a city. Which of the following is least likely to occur with sound wave.

A crying baby emits sound with an intensity of 8.0 * 10-8 w/m2. calculate a reasonable estimate for the intensity level from a set of quintuplets (five babies), all crying simultaneously at the same place? the lowest detectable intensity is 1.