Particle with the symbol (-) but it not negative is different mean

A man drops a stone into a water well on his farm. He hears the sound of the splash 4.26s later. How deep is the well? The acceleration due to gravity is 9.8m/s^2 and the speed of sound in air is 313m/s. Answer in units of m

Light acts like? a particle only. both a wave and a particle. a wave only. neither a wave nor a particle.

Discuss your understanding of the forces that are part of the filtration and abs portion seen in capillary beds.

In what way does a temporary magnet provide an advantage over a permanent magnet?

The 4.50 cm long second hand on a watch rotates smoothly. 1. What is its angular speed? 2. What is the speed of the tip of the hand?

Consider two air-filled parallel-plate capacitors with circular plates. Capacitor 1 has a distance between plates d and plate radius R. Capacitor 2 has a distance between plates 2d and plate radius R/2.

Which of the following would not increase the velocity of a sound wave in air? A. increasing the temperature of the air. B. lowering the density of the air. C. lowering the humidity of the air. D.

Is minerals can be solids or liquids

If our planet was without its ocean but otherwise the same as it is today, would surface temperatures be more extreme than they are now (that is, higher high temperatures in summer and lower low temperatures in winter), of less extreme, or what?

A (n) ___ forms where light seems to come from.